4 perltoc - perl documentation table of contents
8 This page provides a brief table of contents for the rest of the Perl
9 documentation set. It is meant to be scanned quickly or grepped
10 through to locate the proper section you're looking for.
12 =head1 BASIC DOCUMENTATION
14 =head2 perl - Practical Extraction and Report Language
26 =item Reference Manual
28 =item Internals and C Language Interface
32 =item Language-Specific
34 =item Platform-Specific
58 =head2 perlintro -- a brief introduction and overview of Perl
68 =item Running Perl programs
70 =item Basic syntax overview
72 =item Perl variable types
74 Scalars, Arrays, Hashes
76 =item Variable scoping
78 =item Conditional and looping constructs
80 if, while, for, foreach
82 =item Builtin operators and functions
84 Arithmetic, Numeric comparison, String comparison, Boolean logic,
89 =item Regular expressions
91 Simple matching, Simple substitution, More complex regular expressions,
92 Parentheses for capturing, Other regexp features
94 =item Writing subroutines
98 =item Using Perl modules
106 =head2 perlfaq - frequently asked questions about Perl ($Date: 2003/01/31
115 =item Where to get the perlfaq
117 =item How to contribute to the perlfaq
119 =item What will happen if you mail your Perl programming problems to the
126 =item Author and Copyright Information
130 =item Bundled Distributions
136 =item Table of Contents
138 perlfaq - this document, perlfaq1 - General Questions About Perl, perlfaq2
139 - Obtaining and Learning about Perl, perlfaq3 - Programming Tools, perlfaq4
140 - Data Manipulation, perlfaq5 - Files and Formats, perlfaq6 - Regular
141 Expressions, perlfaq7 - General Perl Language Issues, perlfaq8 - System
142 Interaction, perlfaq9 - Networking
148 =item L<perlfaq1>: General Questions About Perl
150 =item L<perlfaq2>: Obtaining and Learning about Perl
152 =item L<perlfaq3>: Programming Tools
154 =item L<perlfaq4>: Data Manipulation
156 =item L<perlfaq5>: Files and Formats
158 =item L<perlfaq6>: Regular Expressions
160 =item L<perlfaq7>: General Perl Language Issues
162 =item L<perlfaq8>: System Interaction
164 =item L<perlfaq9>: Networking
170 =head2 perlbook - Perl book information
178 =head2 perlsyn - Perl syntax
188 =item Simple Statements
190 =item Compound Statements
198 =item Basic BLOCKs and Switch Statements
202 =item PODs: Embedded Documentation
204 =item Plain Old Comments (Not!)
210 =head2 perldata - Perl data types
224 =item Scalar value constructors
226 =item List value constructors
232 =item Typeglobs and Filehandles
240 =head2 perlop - Perl operators and precedence
250 =item Terms and List Operators (Leftward)
252 =item The Arrow Operator
254 =item Auto-increment and Auto-decrement
258 =item Symbolic Unary Operators
260 =item Binding Operators
262 =item Multiplicative Operators
264 =item Additive Operators
266 =item Shift Operators
268 =item Named Unary Operators
270 =item Relational Operators
272 =item Equality Operators
276 =item Bitwise Or and Exclusive Or
278 =item C-style Logical And
280 =item C-style Logical Or
282 =item C-style Logical Defined-Or
284 =item Range Operators
286 =item Conditional Operator
288 =item Assignment Operators
292 =item List Operators (Rightward)
298 =item Logical or, Defined or, and Exclusive Or
300 =item C Operators Missing From Perl
302 unary &, unary *, (TYPE)
304 =item Quote and Quote-like Operators
306 =item Regexp Quote-Like Operators
308 ?PATTERN?, m/PATTERN/cgimosx, /PATTERN/cgimosx, q/STRING/, C<'STRING'>,
309 qq/STRING/, "STRING", qr/STRING/imosx, qx/STRING/, `STRING`, qw/STRING/,
310 s/PATTERN/REPLACEMENT/egimosx, tr/SEARCHLIST/REPLACEMENTLIST/cds,
311 y/SEARCHLIST/REPLACEMENTLIST/cds, <<EOF
313 =item Gory details of parsing quoted constructs
315 Finding the end, Removal of backslashes before delimiters, Interpolation,
316 C<<<'EOF'>, C<m''>, C<s'''>, C<tr///>, C<y///>, C<''>, C<q//>, C<"">,
317 C<``>, C<qq//>, C<qx//>, C<< <file*glob> >>, C<?RE?>, C</RE/>, C<m/RE/>,
318 C<s/RE/foo/>,, Interpolation of regular expressions, Optimization of
323 =item Constant Folding
325 =item Bitwise String Operators
327 =item Integer Arithmetic
329 =item Floating-point Arithmetic
337 =head2 perlsub - Perl subroutines
347 =item Private Variables via my()
349 =item Persistent Private Variables
351 =item Temporary Values via local()
353 =item Lvalue subroutines
355 Lvalue subroutines are EXPERIMENTAL
357 =item Passing Symbol Table Entries (typeglobs)
359 =item When to Still Use local()
361 =item Pass by Reference
365 =item Constant Functions
367 =item Overriding Built-in Functions
371 =item Subroutine Attributes
379 =head2 perlfunc - Perl builtin functions
387 =item Perl Functions by Category
389 Functions for SCALARs or strings, Regular expressions and pattern matching,
390 Numeric functions, Functions for real @ARRAYs, Functions for list data,
391 Functions for real %HASHes, Input and output functions, Functions for fixed
392 length data or records, Functions for filehandles, files, or directories,
393 Keywords related to the control flow of your perl program, Keywords related
394 to scoping, Miscellaneous functions, Functions for processes and process
395 groups, Keywords related to perl modules, Keywords related to classes and
396 object-orientedness, Low-level socket functions, System V interprocess
397 communication functions, Fetching user and group info, Fetching network
398 info, Time-related functions, Functions new in perl5, Functions obsoleted
403 =item Alphabetical Listing of Perl Functions
405 -I<X> FILEHANDLE, -I<X> EXPR, -I<X>, abs VALUE, abs, accept
406 NEWSOCKET,GENERICSOCKET, alarm SECONDS, alarm, atan2 Y,X, bind SOCKET,NAME,
407 binmode FILEHANDLE, LAYER, binmode FILEHANDLE, bless REF,CLASSNAME, bless
408 REF, caller EXPR, caller, chdir EXPR, chmod LIST, chomp VARIABLE, chomp(
409 LIST ), chomp, chop VARIABLE, chop( LIST ), chop, chown LIST, chr NUMBER,
410 chr, chroot FILENAME, chroot, close FILEHANDLE, close, closedir DIRHANDLE,
411 connect SOCKET,NAME, continue BLOCK, cos EXPR, cos, crypt PLAINTEXT,SALT,
412 dbmclose HASH, dbmopen HASH,DBNAME,MASK, defined EXPR, defined, delete
413 EXPR, die LIST, do BLOCK, do SUBROUTINE(LIST), do EXPR, dump LABEL, dump,
414 each HASH, eof FILEHANDLE, eof (), eof, eval EXPR, eval BLOCK, exec LIST,
415 exec PROGRAM LIST, exists EXPR, exit EXPR, exp EXPR, exp, fcntl
416 FILEHANDLE,FUNCTION,SCALAR, fileno FILEHANDLE, flock FILEHANDLE,OPERATION,
417 fork, format, formline PICTURE,LIST, getc FILEHANDLE, getc, getlogin,
418 getpeername SOCKET, getpgrp PID, getppid, getpriority WHICH,WHO, getpwnam
419 NAME, getgrnam NAME, gethostbyname NAME, getnetbyname NAME, getprotobyname
420 NAME, getpwuid UID, getgrgid GID, getservbyname NAME,PROTO, gethostbyaddr
421 ADDR,ADDRTYPE, getnetbyaddr ADDR,ADDRTYPE, getprotobynumber NUMBER,
422 getservbyport PORT,PROTO, getpwent, getgrent, gethostent, getnetent,
423 getprotoent, getservent, setpwent, setgrent, sethostent STAYOPEN, setnetent
424 STAYOPEN, setprotoent STAYOPEN, setservent STAYOPEN, endpwent, endgrent,
425 endhostent, endnetent, endprotoent, endservent, getsockname SOCKET,
426 getsockopt SOCKET,LEVEL,OPTNAME, glob EXPR, glob, gmtime EXPR, goto LABEL,
427 goto EXPR, goto &NAME, grep BLOCK LIST, grep EXPR,LIST, hex EXPR, hex,
428 import, index STR,SUBSTR,POSITION, index STR,SUBSTR, int EXPR, int, ioctl
429 FILEHANDLE,FUNCTION,SCALAR, join EXPR,LIST, keys HASH, kill SIGNAL, LIST,
430 last LABEL, last, lc EXPR, lc, lcfirst EXPR, lcfirst, length EXPR, length,
431 link OLDFILE,NEWFILE, listen SOCKET,QUEUESIZE, local EXPR, localtime EXPR,
432 lock THING, log EXPR, log, lstat EXPR, lstat, m//, map BLOCK LIST, map
433 EXPR,LIST, mkdir FILENAME,MASK, mkdir FILENAME, msgctl ID,CMD,ARG, msgget
434 KEY,FLAGS, msgrcv ID,VAR,SIZE,TYPE,FLAGS, msgsnd ID,MSG,FLAGS, my EXPR, my
435 TYPE EXPR, my EXPR : ATTRS, my TYPE EXPR : ATTRS, next LABEL, next, no
436 Module VERSION LIST, no Module VERSION, no Module LIST, no Module, oct
437 EXPR, oct, open FILEHANDLE,EXPR, open FILEHANDLE,MODE,EXPR, open
438 FILEHANDLE,MODE,EXPR,LIST, open FILEHANDLE,MODE,REFERENCE, open FILEHANDLE,
439 opendir DIRHANDLE,EXPR, ord EXPR, ord, our EXPR, our EXPR TYPE, our EXPR :
440 ATTRS, our TYPE EXPR : ATTRS, pack TEMPLATE,LIST, package NAMESPACE,
441 package, pipe READHANDLE,WRITEHANDLE, pop ARRAY, pop, pos SCALAR, pos,
442 print FILEHANDLE LIST, print LIST, print, printf FILEHANDLE FORMAT, LIST,
443 printf FORMAT, LIST, prototype FUNCTION, push ARRAY,LIST, q/STRING/,
444 qq/STRING/, qr/STRING/, qx/STRING/, qw/STRING/, quotemeta EXPR, quotemeta,
445 rand EXPR, rand, read FILEHANDLE,SCALAR,LENGTH,OFFSET, read
446 FILEHANDLE,SCALAR,LENGTH, readdir DIRHANDLE, readline EXPR, readlink EXPR,
447 readlink, readpipe EXPR, recv SOCKET,SCALAR,LENGTH,FLAGS, redo LABEL, redo,
448 ref EXPR, ref, rename OLDNAME,NEWNAME, require VERSION, require EXPR,
449 require, reset EXPR, reset, return EXPR, return, reverse LIST, rewinddir
450 DIRHANDLE, rindex STR,SUBSTR,POSITION, rindex STR,SUBSTR, rmdir FILENAME,
451 rmdir, s///, scalar EXPR, seek FILEHANDLE,POSITION,WHENCE, seekdir
452 DIRHANDLE,POS, select FILEHANDLE, select, select RBITS,WBITS,EBITS,TIMEOUT,
453 semctl ID,SEMNUM,CMD,ARG, semget KEY,NSEMS,FLAGS, semop KEY,OPSTRING, send
454 SOCKET,MSG,FLAGS,TO, send SOCKET,MSG,FLAGS, setpgrp PID,PGRP, setpriority
455 WHICH,WHO,PRIORITY, setsockopt SOCKET,LEVEL,OPTNAME,OPTVAL, shift ARRAY,
456 shift, shmctl ID,CMD,ARG, shmget KEY,SIZE,FLAGS, shmread ID,VAR,POS,SIZE,
457 shmwrite ID,STRING,POS,SIZE, shutdown SOCKET,HOW, sin EXPR, sin, sleep
458 EXPR, sleep, socket SOCKET,DOMAIN,TYPE,PROTOCOL, socketpair
459 SOCKET1,SOCKET2,DOMAIN,TYPE,PROTOCOL, sort SUBNAME LIST, sort BLOCK LIST,
460 sort LIST, splice ARRAY,OFFSET,LENGTH,LIST, splice ARRAY,OFFSET,LENGTH,
461 splice ARRAY,OFFSET, splice ARRAY, split /PATTERN/,EXPR,LIMIT, split
462 /PATTERN/,EXPR, split /PATTERN/, split, sprintf FORMAT, LIST, format
463 parameter index, flags, vector flag, (minimum) width, precision, or maximum
464 width, size, order of arguments, sqrt EXPR, sqrt, srand EXPR, srand, stat
465 FILEHANDLE, stat EXPR, stat, study SCALAR, study, sub NAME BLOCK, sub NAME
466 (PROTO) BLOCK, sub NAME : ATTRS BLOCK, sub NAME (PROTO) : ATTRS BLOCK,
467 substr EXPR,OFFSET,LENGTH,REPLACEMENT, substr EXPR,OFFSET,LENGTH, substr
468 EXPR,OFFSET, symlink OLDFILE,NEWFILE, syscall LIST, sysopen
469 FILEHANDLE,FILENAME,MODE, sysopen FILEHANDLE,FILENAME,MODE,PERMS, sysread
470 FILEHANDLE,SCALAR,LENGTH,OFFSET, sysread FILEHANDLE,SCALAR,LENGTH, sysseek
471 FILEHANDLE,POSITION,WHENCE, system LIST, system PROGRAM LIST, syswrite
472 FILEHANDLE,SCALAR,LENGTH,OFFSET, syswrite FILEHANDLE,SCALAR,LENGTH,
473 syswrite FILEHANDLE,SCALAR, tell FILEHANDLE, tell, telldir DIRHANDLE, tie
474 VARIABLE,CLASSNAME,LIST, tied VARIABLE, time, times, tr///, truncate
475 FILEHANDLE,LENGTH, truncate EXPR,LENGTH, uc EXPR, uc, ucfirst EXPR,
476 ucfirst, umask EXPR, umask, undef EXPR, undef, unlink LIST, unlink, unpack
477 TEMPLATE,EXPR, unpack TEMPLATE, untie VARIABLE, unshift ARRAY,LIST, use
478 Module VERSION LIST, use Module VERSION, use Module LIST, use Module, use
479 VERSION, utime LIST, values HASH, vec EXPR,OFFSET,BITS, wait, waitpid
480 PID,FLAGS, wantarray, warn LIST, write FILEHANDLE, write EXPR, write, y///
486 =head2 perlreftut - Mark's very short tutorial about references
492 =item Who Needs Complicated Data Structures?
500 =item Making References
502 =item Using References
520 =item Distribution Conditions
526 =head2 perldsc - Perl Data Structures Cookbook
532 arrays of arrays, hashes of arrays, arrays of hashes, hashes of hashes,
533 more elaborate constructs
537 =item COMMON MISTAKES
539 =item CAVEAT ON PRECEDENCE
541 =item WHY YOU SHOULD ALWAYS C<use strict>
547 =item ARRAYS OF ARRAYS
551 =item Declaration of an ARRAY OF ARRAYS
553 =item Generation of an ARRAY OF ARRAYS
555 =item Access and Printing of an ARRAY OF ARRAYS
559 =item HASHES OF ARRAYS
563 =item Declaration of a HASH OF ARRAYS
565 =item Generation of a HASH OF ARRAYS
567 =item Access and Printing of a HASH OF ARRAYS
571 =item ARRAYS OF HASHES
575 =item Declaration of an ARRAY OF HASHES
577 =item Generation of an ARRAY OF HASHES
579 =item Access and Printing of an ARRAY OF HASHES
583 =item HASHES OF HASHES
587 =item Declaration of a HASH OF HASHES
589 =item Generation of a HASH OF HASHES
591 =item Access and Printing of a HASH OF HASHES
595 =item MORE ELABORATE RECORDS
599 =item Declaration of MORE ELABORATE RECORDS
601 =item Declaration of a HASH OF COMPLEX RECORDS
603 =item Generation of a HASH OF COMPLEX RECORDS
615 =head2 perlrequick - Perl regular expressions quick start
625 =item Simple word matching
627 =item Using character classes
629 =item Matching this or that
631 =item Grouping things and hierarchical matching
633 =item Extracting matches
635 =item Matching repetitions
639 =item Search and replace
641 =item The split operator
649 =item AUTHOR AND COPYRIGHT
653 =item Acknowledgments
659 =head2 perlpod - the Plain Old Documentation format
667 =item Ordinary Paragraph
669 =item Verbatim Paragraph
671 =item Command Paragraph
673 C<=head1 I<Heading Text>>, C<=head2 I<Heading Text>>, C<=head3 I<Heading
674 Text>>, C<=head4 I<Heading Text>>, C<=over I<indentlevel>>, C<=item
675 I<stuff...>>, C<=back>, C<=cut>, C<=pod>, C<=begin I<formatname>>, C<=end
676 I<formatname>>, C<=for I<formatname> I<text...>>
678 =item Formatting Codes
680 C<IE<lt>textE<gt>> -- italic text, C<BE<lt>textE<gt>> -- bold text,
681 C<CE<lt>codeE<gt>> -- code text, C<LE<lt>nameE<gt>> -- a hyperlink,
682 C<EE<lt>escapeE<gt>> -- a character escape, C<FE<lt>filenameE<gt>> -- used
683 for filenames, C<SE<lt>textE<gt>> -- text contains non-breaking spaces,
684 C<XE<lt>topic nameE<gt>> -- an index entry, C<ZE<lt>E<gt>> -- a null
685 (zero-effect) formatting code
689 =item Embedding Pods in Perl Modules
691 =item Hints for Writing Pod
701 =head2 perlpodspec - Plain Old Documentation: format specification and
708 =item Pod Definitions
712 "=head1", "=head2", "=head3", "=head4", "=pod", "=cut", "=over", "=item",
713 "=back", "=begin formatname", "=end formatname", "=for formatname text..."
715 =item Pod Formatting Codes
717 C<IE<lt>textE<gt>> -- italic text, C<BE<lt>textE<gt>> -- bold text,
718 C<CE<lt>codeE<gt>> -- code text, C<FE<lt>filenameE<gt>> -- style for
719 filenames, C<XE<lt>topic nameE<gt>> -- an index entry, C<ZE<lt>E<gt>> -- a
720 null (zero-effect) formatting code, C<LE<lt>nameE<gt>> -- a hyperlink,
721 C<EE<lt>escapeE<gt>> -- a character escape, C<SE<lt>textE<gt>> -- text
722 contains non-breaking spaces
724 =item Notes on Implementing Pod Processors
726 =item About LE<lt>...E<gt> Codes
728 First:, Second:, Third:, Fourth:, Fifth:, Sixth:
730 =item About =over...=back Regions
732 =item About Data Paragraphs and "=begin/=end" Regions
740 =head2 perlstyle - Perl style guide
748 =head2 perltrap - Perl traps for the unwary
766 =item Perl4 to Perl5 Traps
768 Discontinuance, Deprecation, and BugFix traps, Parsing Traps, Numerical
769 Traps, General data type traps, Context Traps - scalar, list contexts,
770 Precedence Traps, General Regular Expression Traps using s///, etc,
771 Subroutine, Signal, Sorting Traps, OS Traps, DBM Traps, Unclassified Traps
773 =item Discontinuance, Deprecation, and BugFix traps
775 Discontinuance, Deprecation, BugFix, Discontinuance, Discontinuance,
776 Discontinuance, BugFix, Discontinuance, Discontinuance, BugFix,
777 Discontinuance, Deprecation, Discontinuance, Discontinuance
781 Parsing, Parsing, Parsing, Parsing, Parsing
783 =item Numerical Traps
785 Numerical, Numerical, Numerical, Bitwise string ops
787 =item General data type traps
789 (Arrays), (Arrays), (Hashes), (Globs), (Globs), (Scalar String),
790 (Constants), (Scalars), (Variable Suicide)
792 =item Context Traps - scalar, list contexts
794 (list context), (scalar context), (scalar context), (list, builtin)
796 =item Precedence Traps
798 Precedence, Precedence, Precedence, Precedence, Precedence, Precedence,
801 =item General Regular Expression Traps using s///, etc.
803 Regular Expression, Regular Expression, Regular Expression, Regular
804 Expression, Regular Expression, Regular Expression, Regular Expression,
807 =item Subroutine, Signal, Sorting Traps
809 (Signals), (Sort Subroutine), warn() won't let you specify a filehandle
815 =item Interpolation Traps
817 Interpolation, Interpolation, Interpolation, Interpolation, Interpolation,
818 Interpolation, Interpolation, Interpolation, Interpolation
824 =item Unclassified Traps
826 C<require>/C<do> trap using returned value, C<split> on empty string with
833 =head2 perlrun - how to execute the Perl interpreter
843 =item #! and quoting on non-Unix systems
845 OS/2, MS-DOS, Win95/NT, Macintosh, VMS
847 =item Location of Perl
849 =item Command Switches
851 B<-0>[I<octal/hexadecimal>], B<-a>, B<-C [I<number/list>]>, B<-c>, B<-d>,
852 B<-d:>I<foo[=bar,baz]>, B<-D>I<letters>, B<-D>I<number>, B<-e>
853 I<commandline>, B<-F>I<pattern>, B<-h>, B<-i>[I<extension>],
854 B<-I>I<directory>, B<-l>[I<octnum>], B<-m>[B<->]I<module>,
855 B<-M>[B<->]I<module>, B<-M>[B<->]I<'module ...'>,
856 B<-[mM]>[B<->]I<module=arg[,arg]...>, B<-n>, B<-p>, B<-P>, B<-s>, B<-S>,
857 B<-t>, B<-T>, B<-u>, B<-U>, B<-v>, B<-V>, B<-V:>I<name>, B<-w>, B<-W>,
858 B<-X>, B<-x> I<directory>
864 HOME, LOGDIR, PATH, PERL5LIB, PERL5OPT, PERLIO, :bytes, :crlf, :mmap,
865 :perlio, :raw, :stdio, :unix, :utf8, :win32, PERLIO_DEBUG, PERLLIB,
866 PERL5DB, PERL5SHELL (specific to the Win32 port), PERL_DEBUG_MSTATS,
867 PERL_DESTRUCT_LEVEL, PERL_ENCODING, PERL_ROOT (specific to the VMS port),
868 PERL_SIGNALS, PERL_UNICODE, SYS$LOGIN (specific to the VMS port)
872 =head2 perldiag - various Perl diagnostics
880 =head2 perllexwarn - Perl Lexical Warnings
888 =item Default Warnings and Optional Warnings
890 =item What's wrong with B<-w> and C<$^W>
892 =item Controlling Warnings from the Command Line
896 =item Backward Compatibility
898 =item Category Hierarchy
902 =item Reporting Warnings from a Module
914 =head2 perldebtut - Perl debugging tutorial
922 =item Looking at data and -w and v
926 =item Stepping through code
928 =item Placeholder for a, w, t, T
930 =item REGULAR EXPRESSIONS
948 =head2 perldebug - Perl debugging
954 =item The Perl Debugger
958 =item Debugger Commands
960 h, h [command], h h, p expr, x [maxdepth] expr, V [pkg [vars]], X [vars], y
961 [level [vars]], T, s [expr], n [expr], r, <CR>, c [line|sub], l, l
962 min+incr, l min-max, l line, l subname, -, v [line], f filename, /pattern/,
963 ?pattern?, L [abw], S [[!]regex], t, t expr, b, b [line] [condition], b
964 subname [condition], b postpone subname [condition], b load filename, b
965 compile subname, B line, B *, a [line] command, A line, A *, w expr, W
966 expr, W *, o, o booloption .., o anyoption? .., o option=value .., < ?, < [
967 command ], < *, << command, > ?, > command, > *, >> command, { ?, { [
968 command ], { *, {{ command, ! number, ! -number, ! pattern, !! cmd, source
969 file, H -number, q or ^D, R, |dbcmd, ||dbcmd, command, m expr, M, man
972 =item Configurable Options
974 C<recallCommand>, C<ShellBang>, C<pager>, C<tkRunning>, C<signalLevel>,
975 C<warnLevel>, C<dieLevel>, C<AutoTrace>, C<LineInfo>, C<inhibit_exit>,
976 C<PrintRet>, C<ornaments>, C<frame>, C<maxTraceLen>, C<windowSize>,
977 C<arrayDepth>, C<hashDepth>, C<dumpDepth>, C<compactDump>, C<veryCompact>,
978 C<globPrint>, C<DumpDBFiles>, C<DumpPackages>, C<DumpReused>, C<quote>,
979 C<HighBit>, C<undefPrint>, C<UsageOnly>, C<TTY>, C<noTTY>, C<ReadLine>,
982 =item Debugger input/output
984 Prompt, Multiline commands, Stack backtrace, Line Listing Format, Frame
987 =item Debugging compile-time statements
989 =item Debugger Customization
991 =item Readline Support
993 =item Editor Support for Debugging
995 =item The Perl Profiler
999 =item Debugging regular expressions
1001 =item Debugging memory usage
1009 =head2 perlvar - Perl predefined variables
1017 =item Predefined Names
1019 $ARG, $_, $a, $b, $<I<digits>>, $MATCH, $&, $PREMATCH, $`, $POSTMATCH, $',
1020 $LAST_PAREN_MATCH, $+, $^N, @LAST_MATCH_END, @+, $MULTILINE_MATCHING, $*,
1021 HANDLE->input_line_number(EXPR), $INPUT_LINE_NUMBER, $NR, $,
1022 IO::Handle->input_record_separator(EXPR), $INPUT_RECORD_SEPARATOR, $RS, $/,
1023 HANDLE->autoflush(EXPR), $OUTPUT_AUTOFLUSH, $|,
1024 IO::Handle->output_field_separator EXPR, $OUTPUT_FIELD_SEPARATOR, $OFS, $,,
1025 IO::Handle->output_record_separator EXPR, $OUTPUT_RECORD_SEPARATOR, $ORS,
1026 $\, $LIST_SEPARATOR, $", $SUBSCRIPT_SEPARATOR, $SUBSEP, $;, $OFMT, $#,
1027 HANDLE->format_page_number(EXPR), $FORMAT_PAGE_NUMBER, $%,
1028 HANDLE->format_lines_per_page(EXPR), $FORMAT_LINES_PER_PAGE, $=,
1029 HANDLE->format_lines_left(EXPR), $FORMAT_LINES_LEFT, $-, @LAST_MATCH_START,
1030 @-, C<$`> is the same as C<substr($var, 0, $-[0])>, C<$&> is the same as
1031 C<substr($var, $-[0], $+[0] - $-[0])>, C<$'> is the same as C<substr($var,
1032 $+[0])>, C<$1> is the same as C<substr($var, $-[1], $+[1] - $-[1])>, C<$2>
1033 is the same as C<substr($var, $-[2], $+[2] - $-[2])>, C<$3> is the same as
1034 C<substr $var, $-[3], $+[3] - $-[3])>, HANDLE->format_name(EXPR),
1035 $FORMAT_NAME, $~, HANDLE->format_top_name(EXPR), $FORMAT_TOP_NAME, $^,
1036 IO::Handle->format_line_break_characters EXPR,
1037 $FORMAT_LINE_BREAK_CHARACTERS, $:, IO::Handle->format_formfeed EXPR,
1038 $FORMAT_FORMFEED, $^L, $ACCUMULATOR, $^A, $CHILD_ERROR, $?, ${^ENCODING},
1039 $OS_ERROR, $ERRNO, $!, %!, $EXTENDED_OS_ERROR, $^E, $EVAL_ERROR, $@,
1040 $PROCESS_ID, $PID, $$, $REAL_USER_ID, $UID, $<, $EFFECTIVE_USER_ID, $EUID,
1041 $>, $REAL_GROUP_ID, $GID, $(, $EFFECTIVE_GROUP_ID, $EGID, $),
1042 $PROGRAM_NAME, $0, $[, $], $COMPILING, $^C, $DEBUGGING, $^D,
1043 $SYSTEM_FD_MAX, $^F, $^H, %^H, $INPLACE_EDIT, $^I, $^M, $OSNAME, $^O,
1044 ${^OPEN}, $PERLDB, $^P, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80,
1045 0x100, 0x200, $LAST_REGEXP_CODE_RESULT, $^R, $EXCEPTIONS_BEING_CAUGHT, $^S,
1046 $BASETIME, $^T, ${^TAINT}, ${^UNICODE}, $PERL_VERSION, $^V, $WARNING, $^W,
1047 ${^WARNING_BITS}, $EXECUTABLE_NAME, $^X, ARGV, $ARGV, @ARGV, ARGVOUT, @F,
1048 @INC, @_, %INC, %ENV, $ENV{expr}, %SIG, $SIG{expr}
1050 =item Error Indicators
1052 =item Technical Note on the Syntax of Variable Names
1060 =head2 perllol - Manipulating Arrays of Arrays in Perl
1068 =item Declaration and Access of Arrays of Arrays
1070 =item Growing Your Own
1072 =item Access and Printing
1084 =head2 perlopentut - tutorial on opening things in Perl
1090 =item Open E<agrave> la shell
1096 =item Indirect Filehandles
1100 =item The Minus File
1102 =item Mixing Reads and Writes
1108 =item Open E<agrave> la C
1112 =item Permissions E<agrave> la mode
1116 =item Obscure Open Tricks
1120 =item Re-Opening Files (dups)
1122 =item Dispelling the Dweomer
1124 =item Paths as Opens
1126 =item Single Argument Open
1128 =item Playing with STDIN and STDOUT
1132 =item Other I/O Issues
1136 =item Opening Non-File Files
1138 =item Opening Named Pipes
1140 =item Opening Sockets
1152 =item AUTHOR and COPYRIGHT
1158 =head2 perlpacktut - tutorial on C<pack> and C<unpack>
1164 =item The Basic Principle
1168 =item Packing Numbers
1174 =item Unpacking a Stack Frame
1176 =item How to Eat an Egg on a Net
1178 =item Floating point Numbers
1182 =item Exotic Templates
1194 =item Another Portable Binary Encoding
1198 =item Template Grouping
1200 =item Lengths and Widths
1204 =item String Lengths
1206 =item Dynamic Templates
1208 =item Counting Repetitions
1212 =item Packing and Unpacking C Structures
1216 =item The Alignment Pit
1218 =item Alignment, Take 2
1220 =item Alignment, Take 3
1222 =item Pointers for How to Use Them
1228 =item Funnies Section
1234 =head2 perlretut - Perl regular expressions tutorial
1240 =item Part 1: The basics
1244 =item Simple word matching
1246 =item Using character classes
1248 =item Matching this or that
1250 =item Grouping things and hierarchical matching
1252 =item Extracting matches
1254 =item Matching repetitions
1256 =item Building a regexp
1258 =item Using regular expressions in Perl
1262 =item Part 2: Power tools
1266 =item More on characters, strings, and character classes
1268 =item Compiling and saving regular expressions
1270 =item Embedding comments and modifiers in a regular expression
1272 =item Non-capturing groupings
1274 =item Looking ahead and looking behind
1276 =item Using independent subexpressions to prevent backtracking
1278 =item Conditional expressions
1280 =item A bit of magic: executing Perl code in a regular expression
1282 =item Pragmas and debugging
1290 =item AUTHOR AND COPYRIGHT
1294 =item Acknowledgments
1300 =head2 perlre - Perl regular expressions
1310 =item Regular Expressions
1312 [1], [2], [3], cntrl, graph, print, punct, xdigit
1314 =item Extended Patterns
1316 C<(?#text)>, C<(?imsx-imsx)>, C<(?:pattern)>, C<(?imsx-imsx:pattern)>,
1317 C<(?=pattern)>, C<(?!pattern)>, C<(?<=pattern)>, C<(?<!pattern)>, C<(?{
1318 code })>, C<(??{ code })>, C<< (?>pattern) >>,
1319 C<(?(condition)yes-pattern|no-pattern)>, C<(?(condition)yes-pattern)>
1323 =item Version 8 Regular Expressions
1325 =item Warning on \1 vs $1
1327 =item Repeated patterns matching zero-length substring
1329 =item Combining pieces together
1331 C<ST>, C<S|T>, C<S{REPEAT_COUNT}>, C<S{min,max}>, C<S{min,max}?>, C<S?>,
1332 C<S*>, C<S+>, C<S??>, C<S*?>, C<S+?>, C<< (?>S) >>, C<(?=S)>, C<(?<=S)>,
1333 C<(?!S)>, C<(?<!S)>, C<(??{ EXPR })>,
1334 C<(?(condition)yes-pattern|no-pattern)>
1336 =item Creating custom RE engines
1346 =head2 perlref - Perl references and nested data structures
1356 =item Making References
1358 =item Using References
1360 =item Symbolic references
1362 =item Not-so-symbolic references
1364 =item Pseudo-hashes: Using an array as a hash
1366 =item Function Templates
1376 =head2 perlform - Perl formats
1384 =item Format Variables
1394 =item Accessing Formatting Internals
1402 =head2 perlboot - Beginner's Object-Oriented Tutorial
1410 =item If we could talk to the animals...
1412 =item Introducing the method invocation arrow
1414 =item Invoking a barnyard
1416 =item The extra parameter of method invocation
1418 =item Calling a second method to simplify things
1420 =item Inheriting the windpipes
1422 =item A few notes about @ISA
1424 =item Overriding the methods
1426 =item Starting the search from a different place
1428 =item The SUPER way of doing things
1430 =item Where we're at so far...
1432 =item A horse is a horse, of course of course -- or is it?
1434 =item Invoking an instance method
1436 =item Accessing the instance data
1438 =item How to build a horse
1440 =item Inheriting the constructor
1442 =item Making a method work with either classes or instances
1444 =item Adding parameters to a method
1446 =item More interesting instances
1448 =item A horse of a different color
1460 =head2 perltoot - Tom's object-oriented tutorial for perl
1466 =item Creating a Class
1470 =item Object Representation
1472 =item Class Interface
1474 =item Constructors and Instance Methods
1476 =item Planning for the Future: Better Constructors
1480 =item Other Object Methods
1488 =item Accessing Class Data
1490 =item Debugging Methods
1492 =item Class Destructors
1494 =item Documenting the Interface
1504 =item Overridden Methods
1506 =item Multiple Inheritance
1508 =item UNIVERSAL: The Root of All Objects
1512 =item Alternate Object Representations
1516 =item Arrays as Objects
1518 =item Closures as Objects
1522 =item AUTOLOAD: Proxy Methods
1526 =item Autoloaded Data Methods
1528 =item Inherited Autoloaded Data Methods
1532 =item Metaclassical Tools
1538 =item Data Members as Variables
1546 =item Object Terminology
1552 =item AUTHOR AND COPYRIGHT
1558 =item Acknowledgments
1564 =head2 perltooc - Tom's OO Tutorial for Class Data in Perl
1570 =item Class Data in a Can
1572 =item Class Data as Package Variables
1576 =item Putting All Your Eggs in One Basket
1578 =item Inheritance Concerns
1580 =item The Eponymous Meta-Object
1582 =item Indirect References to Class Data
1584 =item Monadic Classes
1586 =item Translucent Attributes
1590 =item Class Data as Lexical Variables
1594 =item Privacy and Responsibility
1596 =item File-Scoped Lexicals
1598 =item More Inheritance Concerns
1600 =item Locking the Door and Throwing Away the Key
1602 =item Translucency Revisited
1610 =item AUTHOR AND COPYRIGHT
1612 =item ACKNOWLEDGEMENTS
1618 =head2 perlobj - Perl objects
1626 =item An Object is Simply a Reference
1628 =item A Class is Simply a Package
1630 =item A Method is Simply a Subroutine
1632 =item Method Invocation
1634 =item Indirect Object Syntax
1636 =item Default UNIVERSAL methods
1638 isa(CLASS), can(METHOD), VERSION( [NEED] )
1644 =item Two-Phased Garbage Collection
1652 =head2 perlbot - Bag'o Object Tricks (the BOT)
1658 =item OO SCALING TIPS
1660 =item INSTANCE VARIABLES
1662 =item SCALAR INSTANCE VARIABLES
1664 =item INSTANCE VARIABLE INHERITANCE
1666 =item OBJECT RELATIONSHIPS
1668 =item OVERRIDING SUPERCLASS METHODS
1670 =item USING RELATIONSHIP WITH SDBM
1672 =item THINKING OF CODE REUSE
1674 =item CLASS CONTEXT AND THE OBJECT
1676 =item INHERITING A CONSTRUCTOR
1684 =head2 perltie - how to hide an object class in a simple variable
1696 TIESCALAR classname, LIST, FETCH this, STORE this, value, UNTIE this,
1701 TIEARRAY classname, LIST, FETCH this, index, STORE this, index, value,
1702 FETCHSIZE this, STORESIZE this, count, EXTEND this, count, EXISTS this,
1703 key, DELETE this, key, CLEAR this, PUSH this, LIST, POP this, SHIFT this,
1704 UNSHIFT this, LIST, SPLICE this, offset, length, LIST, UNTIE this, DESTROY
1709 USER, HOME, CLOBBER, LIST, TIEHASH classname, LIST, FETCH this, key, STORE
1710 this, key, value, DELETE this, key, CLEAR this, EXISTS this, key, FIRSTKEY
1711 this, NEXTKEY this, lastkey, UNTIE this, DESTROY this
1713 =item Tying FileHandles
1715 TIEHANDLE classname, LIST, WRITE this, LIST, PRINT this, LIST, PRINTF this,
1716 LIST, READ this, LIST, READLINE this, GETC this, CLOSE this, UNTIE this,
1721 =item The C<untie> Gotcha
1733 =head2 perlipc - Perl interprocess communication (signals, fifos, pipes,
1734 safe subprocesses, sockets, and semaphores)
1744 =item Handling the SIGHUP Signal in Daemons
1752 =item Deferred Signals (Safe signals)
1754 Long running opcodes, Interrupting IO, Signals as "faults", Signals
1755 triggered by operating system state
1759 =item Using open() for IPC
1765 =item Background Processes
1767 =item Complete Dissociation of Child from Parent
1769 =item Safe Pipe Opens
1771 =item Bidirectional Communication with Another Process
1773 =item Bidirectional Communication with Yourself
1777 =item Sockets: Client/Server Communication
1781 =item Internet Line Terminators
1783 =item Internet TCP Clients and Servers
1785 =item Unix-Domain TCP Clients and Servers
1789 =item TCP Clients with IO::Socket
1793 =item A Simple Client
1795 C<Proto>, C<PeerAddr>, C<PeerPort>
1797 =item A Webget Client
1799 =item Interactive Client with IO::Socket
1803 =item TCP Servers with IO::Socket
1805 Proto, LocalPort, Listen, Reuse
1807 =item UDP: Message Passing
1821 =head2 perlfork - Perl's fork() emulation
1831 =item Behavior of other Perl features in forked pseudo-processes
1833 $$ or $PROCESS_ID, %ENV, chdir() and all other builtins that accept
1834 filenames, wait() and waitpid(), kill(), exec(), exit(), Open handles to
1835 files, directories and network sockets
1837 =item Resource limits
1839 =item Killing the parent process
1841 =item Lifetime of the parent process and pseudo-processes
1843 =item CAVEATS AND LIMITATIONS
1845 BEGIN blocks, Open filehandles, Forking pipe open() not yet implemented,
1846 Global state maintained by XSUBs, Interpreter embedded in larger
1847 application, Thread-safety of extensions
1859 =head2 perlnumber - semantics of numbers and numeric operations in Perl
1867 =item Storing numbers
1869 =item Numeric operators and numeric conversions
1871 =item Flavors of Perl numeric operations
1873 Arithmetic operators, ++, Arithmetic operators during C<use integer>, Other
1874 mathematical operators, Bitwise operators, Bitwise operators during C<use
1875 integer>, Operators which expect an integer, Operators which expect a
1884 =head2 perlthrtut - tutorial on threads in Perl
1892 =item What Is A Thread Anyway?
1894 =item Threaded Program Models
1906 =item Native threads
1908 =item What kind of threads are Perl threads?
1910 =item Thread-Safe Modules
1916 =item Basic Thread Support
1918 =item A Note about the Examples
1920 =item Creating Threads
1922 =item Giving up control
1924 =item Waiting For A Thread To Exit
1926 =item Ignoring A Thread
1930 =item Threads And Data
1934 =item Shared And Unshared Data
1936 =item Thread Pitfalls: Races
1940 =item Synchronization and control
1944 =item Controlling access: lock()
1946 =item A Thread Pitfall: Deadlocks
1948 =item Queues: Passing Data Around
1950 =item Semaphores: Synchronizing Data Access
1952 =item Basic semaphores
1954 =item Advanced Semaphores
1956 =item cond_wait() and cond_signal()
1960 =item General Thread Utility Routines
1964 =item What Thread Am I In?
1968 =item Are These Threads The Same?
1970 =item What Threads Are Running?
1974 =item A Complete Example
1976 =item Performance considerations
1978 =item Process-scope Changes
1980 =item Thread-Safety of System Libraries
1988 =item Introductory Texts
1990 =item OS-Related References
1992 =item Other References
1996 =item Acknowledgements
2004 =head2 perlothrtut - old tutorial on threads in Perl
2010 =item What Is A Thread Anyway?
2012 =item Threaded Program Models
2024 =item Native threads
2026 =item What kind of threads are perl threads?
2028 =item Threadsafe Modules
2034 =item Basic Thread Support
2036 =item Creating Threads
2038 =item Giving up control
2040 =item Waiting For A Thread To Exit
2042 =item Errors In Threads
2044 =item Ignoring A Thread
2048 =item Threads And Data
2052 =item Shared And Unshared Data
2054 =item Thread Pitfall: Races
2056 =item Controlling access: lock()
2058 =item Thread Pitfall: Deadlocks
2060 =item Queues: Passing Data Around
2064 =item Threads And Code
2068 =item Semaphores: Synchronizing Data Access
2070 Basic semaphores, Advanced Semaphores
2072 =item Attributes: Restricting Access To Subroutines
2074 =item Subroutine Locks
2078 =item Locking A Subroutine
2082 =item General Thread Utility Routines
2086 =item What Thread Am I In?
2090 =item Are These Threads The Same?
2092 =item What Threads Are Running?
2096 =item A Complete Example
2104 =item Introductory Texts
2106 =item OS-Related References
2108 =item Other References
2112 =item Acknowledgements
2120 =head2 perlport - Writing portable Perl
2126 Not all Perl programs have to be portable, Nearly all of Perl already I<is>
2135 =item Numbers endianness and Width
2137 =item Files and Filesystems
2139 =item System Interaction
2141 =item Command names versus file pathnames
2143 =item Interprocess Communication (IPC)
2145 =item External Subroutines (XS)
2147 =item Standard Modules
2151 =item Character sets and character encoding
2153 =item Internationalisation
2155 =item System Resources
2165 Mailing list: cpan-testers@perl.org, Testing results:
2166 http://testers.cpan.org/
2174 =item DOS and Derivatives
2182 =item EBCDIC Platforms
2190 =item FUNCTION IMPLEMENTATIONS
2194 =item Alphabetical Listing of Perl Functions
2196 -I<X> FILEHANDLE, -I<X> EXPR, -I<X>, alarm SECONDS, alarm, binmode
2197 FILEHANDLE, chmod LIST, chown LIST, chroot FILENAME, chroot, crypt
2198 PLAINTEXT,SALT, dbmclose HASH, dbmopen HASH,DBNAME,MODE, dump LABEL, exec
2199 LIST, exit EXPR, exit, fcntl FILEHANDLE,FUNCTION,SCALAR, flock
2200 FILEHANDLE,OPERATION, fork, getlogin, getpgrp PID, getppid, getpriority
2201 WHICH,WHO, getpwnam NAME, getgrnam NAME, getnetbyname NAME, getpwuid UID,
2202 getgrgid GID, getnetbyaddr ADDR,ADDRTYPE, getprotobynumber NUMBER,
2203 getservbyport PORT,PROTO, getpwent, getgrent, gethostbyname, gethostent,
2204 getnetent, getprotoent, getservent, sethostent STAYOPEN, setnetent
2205 STAYOPEN, setprotoent STAYOPEN, setservent STAYOPEN, endpwent, endgrent,
2206 endhostent, endnetent, endprotoent, endservent, getsockopt
2207 SOCKET,LEVEL,OPTNAME, glob EXPR, glob, ioctl FILEHANDLE,FUNCTION,SCALAR,
2208 kill SIGNAL, LIST, link OLDFILE,NEWFILE, lstat FILEHANDLE, lstat EXPR,
2209 lstat, msgctl ID,CMD,ARG, msgget KEY,FLAGS, msgsnd ID,MSG,FLAGS, msgrcv
2210 ID,VAR,SIZE,TYPE,FLAGS, open FILEHANDLE,EXPR, open FILEHANDLE, pipe
2211 READHANDLE,WRITEHANDLE, readlink EXPR, readlink, select
2212 RBITS,WBITS,EBITS,TIMEOUT, semctl ID,SEMNUM,CMD,ARG, semget
2213 KEY,NSEMS,FLAGS, semop KEY,OPSTRING, setgrent, setpgrp PID,PGRP,
2214 setpriority WHICH,WHO,PRIORITY, setpwent, setsockopt
2215 SOCKET,LEVEL,OPTNAME,OPTVAL, shmctl ID,CMD,ARG, shmget KEY,SIZE,FLAGS,
2216 shmread ID,VAR,POS,SIZE, shmwrite ID,STRING,POS,SIZE, sockatmark SOCKET,
2217 socketpair SOCKET1,SOCKET2,DOMAIN,TYPE,PROTOCOL, stat FILEHANDLE, stat
2218 EXPR, stat, symlink OLDFILE,NEWFILE, syscall LIST, sysopen
2219 FILEHANDLE,FILENAME,MODE,PERMS, system LIST, times, truncate
2220 FILEHANDLE,LENGTH, truncate EXPR,LENGTH, umask EXPR, umask, utime LIST,
2221 wait, waitpid PID,FLAGS
2227 v1.49, 12 August 2002, v1.48, 02 February 2001, v1.47, 22 March 2000,
2228 v1.46, 12 February 2000, v1.45, 20 December 1999, v1.44, 19 July 1999,
2229 v1.43, 24 May 1999, v1.42, 22 May 1999, v1.41, 19 May 1999, v1.40, 11 April
2230 1999, v1.39, 11 February 1999, v1.38, 31 December 1998, v1.37, 19 December
2231 1998, v1.36, 9 September 1998, v1.35, 13 August 1998, v1.33, 06 August
2232 1998, v1.32, 05 August 1998, v1.30, 03 August 1998, v1.23, 10 July 1998
2234 =item Supported Platforms
2238 =item AUTHORS / CONTRIBUTORS
2242 =head2 perllocale - Perl locale handling (internationalization and
2249 =item PREPARING TO USE LOCALES
2255 =item The use locale pragma
2257 =item The setlocale function
2259 =item Finding locales
2261 =item LOCALE PROBLEMS
2263 =item Temporarily fixing locale problems
2265 =item Permanently fixing locale problems
2267 =item Permanently fixing your system's locale configuration
2269 =item Fixing system locale configuration
2271 =item The localeconv function
2273 =item I18N::Langinfo
2277 =item LOCALE CATEGORIES
2281 =item Category LC_COLLATE: Collation
2283 =item Category LC_CTYPE: Character Types
2285 =item Category LC_NUMERIC: Numeric Formatting
2287 =item Category LC_MONETARY: Formatting of monetary amounts
2291 =item Other categories
2299 PERL_BADLANG, LC_ALL, LANGUAGE, LC_CTYPE, LC_COLLATE, LC_MONETARY,
2300 LC_NUMERIC, LC_TIME, LANG
2306 =item Backward compatibility
2308 =item I18N:Collate obsolete
2310 =item Sort speed and memory use impacts
2312 =item write() and LC_NUMERIC
2314 =item Freely available locale definitions
2318 =item An imperfect standard
2322 =item Unicode and UTF-8
2328 =item Broken systems
2338 =head2 perluniintro - Perl Unicode introduction
2348 =item Perl's Unicode Support
2350 =item Perl's Unicode Model
2352 =item Unicode and EBCDIC
2354 =item Creating Unicode
2356 =item Handling Unicode
2358 =item Legacy Encodings
2362 =item Displaying Unicode As Text
2366 =item Advanced Topics
2370 =item Questions With Answers
2372 =item Hexadecimal Notation
2374 =item Further Resources
2378 =item UNICODE IN OLDER PERLS
2382 =item ACKNOWLEDGMENTS
2384 =item AUTHOR, COPYRIGHT, AND LICENSE
2388 =head2 perlunicode - Unicode support in Perl
2396 =item Important Caveats
2398 Input and Output Layers, Regular Expressions, C<use utf8> still needed to
2399 enable UTF-8/UTF-EBCDIC in scripts
2401 =item Byte and Character Semantics
2403 =item Effects of Character Semantics
2409 =item User-Defined Character Properties
2411 =item Character Encodings for Input and Output
2413 =item Unicode Regular Expression Support Level
2415 =item Unicode Encodings
2417 =item Security Implications of Unicode
2419 =item Unicode in Perl on EBCDIC
2423 =item When Unicode Does Not Happen
2425 chmod, chmod, chown, chroot, exec, link, mkdir, rename, rmdir, stat,
2426 symlink, truncate, unlink, utime, %ENV, glob (aka the <*>), open, opendir,
2427 sysopen, qx (aka the backtick operator), system, readdir, readlink
2429 =item Forcing Unicode in Perl (Or Unforcing Unicode in Perl)
2431 =item Using Unicode in XS
2439 =item Interaction with Locales
2441 =item Interaction with Extensions
2445 =item Porting code from perl-5.6.X
2453 =head2 perlebcdic - Considerations for running Perl on EBCDIC platforms
2459 =item COMMON CHARACTER CODE SETS
2467 =item Latin 1 (ISO 8859-1)
2471 =item 13 variant characters
2479 =item Unicode code points versus EBCDIC code points
2481 =item Remaining Perl Unicode problems in EBCDIC
2483 =item Unicode and UTF
2489 =item SINGLE OCTET TABLES
2491 recipe 0, recipe 1, recipe 2, recipe 3, recipe 4, recipe 5, recipe 6
2493 =item IDENTIFYING CHARACTER CODE SETS
2507 =item OPERATOR DIFFERENCES
2509 =item FUNCTION DIFFERENCES
2511 chr(), ord(), pack(), print(), printf(), sort(), sprintf(), unpack()
2513 =item REGULAR EXPRESSION DIFFERENCES
2521 =item Ignore ASCII vs. EBCDIC sort differences.
2523 =item MONO CASE then sort data.
2525 =item Convert, sort data, then re convert.
2527 =item Perform sorting on one type of machine only.
2531 =item TRANSFORMATION FORMATS
2535 =item URL decoding and encoding
2537 =item uu encoding and decoding
2539 =item Quoted-Printable encoding and decoding
2541 =item Caesarian ciphers
2545 =item Hashing order and checksums
2549 =item MULTI OCTET CHARACTER SETS
2561 chcp, dataset access, OS/390, z/OS iconv, locales
2581 =head2 perlsec - Perl security
2589 =item Laundering and Detecting Tainted Data
2591 =item Switches On the "#!" Line
2593 =item Cleaning Up Your Path
2597 =item Protecting Your Programs
2607 =head2 perlmod - Perl modules (packages and symbol tables)
2619 =item Package Constructors and Destructors
2625 =item Making your module threadsafe
2633 =head2 perlmodinstall - Installing CPAN Modules
2643 B<DECOMPRESS> the file, B<UNPACK> the file into a directory, B<BUILD> the
2644 module (sometimes unnecessary), B<INSTALL> the module
2658 =head2 perlmodlib - constructing new Perl modules and finding existing ones
2662 =item THE PERL MODULE LIBRARY
2666 =item Pragmatic Modules
2668 assertions, assertions::activate, attributes, attrs, autouse, base, bigint,
2669 bignum, bigrat, blib, bytes, charnames, constant, diagnostics, encoding,
2670 fields, filetest, if, integer, less, lib, locale, open, ops, overload, re,
2671 sigtrap, sort, strict, subs, threads, threads::shared, utf8, vars, version,
2672 vmsish, warnings, warnings::register
2674 =item Standard Modules
2676 AnyDBM_File, Attribute::Handlers, AutoLoader, AutoSplit, B, B::Asmdata,
2677 B::Assembler, B::Bblock, B::Bytecode, B::C, B::CC, B::Concise, B::Debug,
2678 B::Deparse, B::Disassembler, B::Lint, B::Showlex, B::Stackobj, B::Stash,
2679 B::Terse, B::Xref, Benchmark, ByteLoader, CGI, CGI::Apache, CGI::Carp,
2680 CGI::Cookie, CGI::Fast, CGI::Pretty, CGI::Push, CGI::Switch, CGI::Util,
2681 CPAN, CPAN::FirstTime, CPAN::Nox, Carp, Carp::Heavy, Class::ISA,
2682 Class::Struct, Config, Cwd, DB, DB_File, Data::Dumper, Devel::DProf,
2683 Devel::PPPort, Devel::Peek, Devel::SelfStubber, Digest, Digest::MD5,
2684 DirHandle, Dumpvalue, DynaLoader, Encode, Encode::Alias, Encode::Byte,
2685 Encode::CJKConstants, Encode::CN, Encode::CN::HZ, Encode::Config,
2686 Encode::EBCDIC, Encode::Encoder, Encode::Encoding, Encode::Guess,
2687 Encode::JP, Encode::JP::H2Z, Encode::JP::JIS7, Encode::KR,
2688 Encode::KR::2022_KR, Encode::MIME::Header, Encode::PerlIO,
2689 Encode::Supported, Encode::Symbol, Encode::TW, Encode::Unicode,
2690 Encode::Unicode::UTF7, English, Env, Errno, Exporter, Exporter::Heavy,
2691 ExtUtils::Command, ExtUtils::Command::MM, ExtUtils::Constant,
2692 ExtUtils::Embed, ExtUtils::Install, ExtUtils::Installed, ExtUtils::Liblist,
2693 ExtUtils::MM, ExtUtils::MM_Any, ExtUtils::MM_BeOS, ExtUtils::MM_Cygwin,
2694 ExtUtils::MM_DOS, ExtUtils::MM_MacOS, ExtUtils::MM_NW5, ExtUtils::MM_OS2,
2695 ExtUtils::MM_UWIN, ExtUtils::MM_Unix, ExtUtils::MM_VMS, ExtUtils::MM_Win32,
2696 ExtUtils::MM_Win95, ExtUtils::MY, ExtUtils::MakeMaker,
2697 ExtUtils::MakeMaker::FAQ, ExtUtils::MakeMaker::Tutorial,
2698 ExtUtils::MakeMaker::bytes, ExtUtils::MakeMaker::vmsish,
2699 ExtUtils::Manifest, ExtUtils::Mkbootstrap, ExtUtils::Mksymlists,
2700 ExtUtils::Packlist, ExtUtils::testlib, Fatal, Fcntl, File::Basename,
2701 File::CheckTree, File::Compare, File::Copy, File::DosGlob, File::Find,
2702 File::Glob, File::Path, File::Spec, File::Spec::Cygwin, File::Spec::Epoc,
2703 File::Spec::Functions, File::Spec::Mac, File::Spec::OS2, File::Spec::Unix,
2704 File::Spec::VMS, File::Spec::Win32, File::Temp, File::stat, FileCache,
2705 FileHandle, Filter::Simple, Filter::Util::Call, FindBin, GDBM_File,
2706 Getopt::Long, Getopt::Std, Hash::Util, I18N::Collate, I18N::LangTags,
2707 I18N::LangTags::List, I18N::Langinfo, IO, IO::Dir, IO::File, IO::Handle,
2708 IO::Pipe, IO::Poll, IO::Seekable, IO::Select, IO::Socket, IO::Socket::INET,
2709 IO::Socket::UNIX, IPC::Open2, IPC::Open3, IPC::SysV, IPC::SysV::Msg,
2710 IPC::SysV::Semaphore, List::Util, Locale::Constants, Locale::Country,
2711 Locale::Currency, Locale::Language, Locale::Maketext,
2712 Locale::Maketext::TPJ13, Locale::Script, MIME::Base64,
2713 MIME::Base64::QuotedPrint, Math::BigFloat, Math::BigInt,
2714 Math::BigInt::Calc, Math::BigInt::Scalar, Math::BigRat, Math::Complex,
2715 Math::Trig, Memoize, Memoize::AnyDBM_File, Memoize::Expire,
2716 Memoize::ExpireFile, Memoize::ExpireTest, Memoize::NDBM_File,
2717 Memoize::SDBM_File, Memoize::Storable, NDBM_File, NEXT, Net::Cmd,
2718 Net::Config, Net::Domain, Net::FTP, Net::NNTP, Net::Netrc, Net::POP3,
2719 Net::Ping, Net::SMTP, Net::Time, Net::hostent, Net::libnetFAQ, Net::netent,
2720 Net::protoent, Net::servent, O, ODBM_File, Opcode, POSIX, PerlIO,
2721 PerlIO::encoding, PerlIO::scalar, PerlIO::via, PerlIO::via::QuotedPrint,
2722 Pod::Checker, Pod::Find, Pod::Functions, Pod::Html, Pod::InputObjects,
2723 Pod::LaTeX, Pod::Man, Pod::ParseLink, Pod::ParseUtils, Pod::Parser,
2724 Pod::Perldoc::ToChecker, Pod::Perldoc::ToMan, Pod::Perldoc::ToNroff,
2725 Pod::Perldoc::ToPod, Pod::Perldoc::ToRtf, Pod::Perldoc::ToText,
2726 Pod::Perldoc::ToTk, Pod::Perldoc::ToXml, Pod::PlainText, Pod::Plainer,
2727 Pod::Select, Pod::Text, Pod::Text::Color, Pod::Text::Overstrike,
2728 Pod::Text::Termcap, Pod::Usage, SDBM_File, Safe, Scalar::Util,
2729 Search::Dict, SelectSaver, SelfLoader, Shell, Socket, Storable, Switch,
2730 Symbol, Sys::Hostname, Sys::Syslog, Term::ANSIColor, Term::Cap,
2731 Term::Complete, Term::ReadLine, Test, Test::Builder, Test::Harness,
2732 Test::Harness::Assert, Test::Harness::Iterator, Test::Harness::Straps,
2733 Test::More, Test::Simple, Test::Tutorial, Text::Abbrev, Text::Balanced,
2734 Text::ParseWords, Text::Soundex, Text::Tabs, Text::Wrap, Thread,
2735 Thread::Queue, Thread::Semaphore, Thread::Signal, Thread::Specific,
2736 Tie::Array, Tie::File, Tie::Handle, Tie::Hash, Tie::Memoize, Tie::RefHash,
2737 Tie::Scalar, Tie::SubstrHash, Time::HiRes, Time::Local, Time::gmtime,
2738 Time::localtime, Time::tm, UNIVERSAL, Unicode::Collate, Unicode::Normalize,
2739 Unicode::UCD, User::grent, User::pwent, Win32, XS::APItest, XS::Typemap,
2742 =item Extension Modules
2756 China, India, Indonesia, Israel, Japan, Korea, Philippines, Russian
2757 Federation, Saudi Arabia, Singapore, South Korea, Taiwan, Thailand
2759 =item Central America
2765 Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia,
2766 Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
2767 Lithuania, Netherlands, Norway, Poland, Portugal, Romania, Russia,
2768 Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, Ukraine, United
2773 Alberta, Manitoba, Nova Scotia, Ontario, Quebec, Mexico
2777 Alabama, California, Colorado, Delaware, District of Columbia, Florida,
2778 Illinois, Indiana, Kentucky, Massachusetts, Michigan, New Jersey, New York,
2779 North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Tennessee, Texas,
2780 Utah, Virginia, ashington, Wisconsin
2784 Australia, New Zealand
2788 Argentina, Brazil, Chile
2794 =item Modules: Creation, Use, and Abuse
2798 =item Guidelines for Module Creation
2800 =item Guidelines for Converting Perl 4 Library Scripts into Modules
2802 =item Guidelines for Reusing Application Code
2810 =head2 perlmodstyle - Perl module style guide
2816 =item QUICK CHECKLIST
2820 =item Before you start
2828 =item Release considerations
2832 =item BEFORE YOU START WRITING A MODULE
2836 =item Has it been done before?
2838 =item Do one thing and do it well
2840 =item What's in a name?
2844 =item DESIGNING AND WRITING YOUR MODULE
2848 =item To OO or not to OO?
2850 =item Designing your API
2852 Write simple routines to do simple things, Separate functionality from
2853 output, Provide sensible shortcuts and defaults, Naming conventions,
2856 =item Strictness and warnings
2858 =item Backwards compatibility
2860 =item Error handling and messages
2864 =item DOCUMENTING YOUR MODULE
2870 =item README, INSTALL, release notes, changelogs
2872 perl Makefile.PL, make, make test, make install, perl Build.PL, perl Build,
2873 perl Build test, perl Build install
2877 =item RELEASE CONSIDERATIONS
2881 =item Version numbering
2883 =item Pre-requisites
2893 =item COMMON PITFALLS
2897 =item Reinventing the wheel
2899 =item Trying to do too much
2901 =item Inappropriate documentation
2907 L<perlstyle>, L<perlnewmod>, L<perlpod>, L<podchecker>, Packaging Tools,
2908 Testing tools, http://pause.perl.org/, Any good book on software
2915 =head2 perlnewmod - preparing a new module for distribution
2925 =item What should I make into a module?
2927 =item Step-by-step: Preparing the ground
2929 Look around, Check it's new, Discuss the need, Choose a name, Check again
2931 =item Step-by-step: Making the module
2933 Start with F<h2xs>, Use L<strict|strict> and L<warnings|warnings>, Use
2934 L<Carp|Carp>, Use L<Exporter|Exporter> - wisely!, Use L<plain old
2935 documentation|perlpod>, Write tests, Write the README
2937 =item Step-by-step: Distributing your module
2939 Get a CPAN user ID, C<perl Makefile.PL; make test; make dist>, Upload the
2940 tarball, Announce to the modules list, Announce to clpa, Fix bugs!
2950 =head2 perlfaq1 - General Questions About Perl ($Revision: 1.11 $, $Date:
2951 2002/12/06 07:40:11 $)
2961 =item Who supports Perl? Who develops it? Why is it free?
2963 =item Which version of Perl should I use?
2965 =item What are perl4 and perl5?
2967 =item What is perl6?
2969 =item How stable is Perl?
2971 =item Is Perl difficult to learn?
2973 =item How does Perl compare with other languages like Java, Python, REXX,
2976 =item Can I do [task] in Perl?
2978 =item When shouldn't I program in Perl?
2980 =item What's the difference between "perl" and "Perl"?
2982 =item Is it a Perl program or a Perl script?
2984 =item What is a JAPH?
2986 =item Where can I get a list of Larry Wall witticisms?
2988 =item How can I convince my sysadmin/supervisor/employees to use version
2989 5/5.6.1/Perl instead of some other language?
2993 =item AUTHOR AND COPYRIGHT
2997 =head2 perlfaq2 - Obtaining and Learning about Perl ($Revision: 1.20 $,
2998 $Date: 2003/01/26 17:50:56 $)
3006 =item What machines support Perl? Where do I get it?
3008 =item How can I get a binary version of Perl?
3010 =item I don't have a C compiler on my system. How can I compile perl?
3012 =item I copied the Perl binary from one machine to another, but scripts
3015 =item I grabbed the sources and tried to compile but gdbm/dynamic
3016 loading/malloc/linking/... failed. How do I make it work?
3018 =item What modules and extensions are available for Perl? What is CPAN?
3019 What does CPAN/src/... mean?
3021 =item Is there an ISO or ANSI certified version of Perl?
3023 =item Where can I get information on Perl?
3025 =item What are the Perl newsgroups on Usenet? Where do I post questions?
3027 =item Where should I post source code?
3031 References, Tutorials, Task-Oriented, Special Topics
3033 =item Perl in Magazines
3035 =item Perl on the Net: FTP and WWW Access
3037 =item What mailing lists are there for Perl?
3039 =item Archives of comp.lang.perl.misc
3041 =item Where can I buy a commercial version of Perl?
3043 =item Where do I send bug reports?
3045 =item What is perl.com? Perl Mongers? pm.org? perl.org? cpan.org?
3049 =item AUTHOR AND COPYRIGHT
3053 =head2 perlfaq3 - Programming Tools ($Revision: 1.33 $, $Date: 2003/01/31
3062 =item How do I do (anything)?
3064 =item How can I use Perl interactively?
3066 =item Is there a Perl shell?
3068 =item How do I find which modules are installed on my system?
3070 =item How do I debug my Perl programs?
3072 =item How do I profile my Perl programs?
3074 =item How do I cross-reference my Perl programs?
3076 =item Is there a pretty-printer (formatter) for Perl?
3078 =item Is there a ctags for Perl?
3080 =item Is there an IDE or Windows Perl Editor?
3082 Komodo, The Object System, Open Perl IDE, PerlBuilder, visiPerl+, OptiPerl,
3083 GNU Emacs, MicroEMACS, XEmacs, Jed, Elvis, Vile, Vim, Codewright,
3084 MultiEdit, SlickEdit, Bash, Ksh, Tcsh, Zsh, BBEdit and BBEdit Lite, Alpha
3086 =item Where can I get Perl macros for vi?
3088 =item Where can I get perl-mode for emacs?
3090 =item How can I use curses with Perl?
3092 =item How can I use X or Tk with Perl?
3094 =item How can I generate simple menus without using CGI or Tk?
3096 =item How can I make my Perl program run faster?
3098 =item How can I make my Perl program take less memory?
3100 Don't slurp!, Use map and grep selectively, Avoid unnecessary quotes and
3101 stringification, Pass by reference, Tie large variables to disk
3103 =item Is it safe to return a reference to local or lexical data?
3105 =item How can I free an array or hash so my program shrinks?
3107 =item How can I make my CGI script more efficient?
3109 =item How can I hide the source for my Perl program?
3111 =item How can I compile my Perl program into byte code or C?
3113 =item How can I compile Perl into Java?
3115 =item How can I get C<#!perl> to work on [MS-DOS,NT,...]?
3117 =item Can I write useful Perl programs on the command line?
3119 =item Why don't Perl one-liners work on my DOS/Mac/VMS system?
3121 =item Where can I learn about CGI or Web programming in Perl?
3123 =item Where can I learn about object-oriented Perl programming?
3125 =item Where can I learn about linking C with Perl? [h2xs, xsubpp]
3127 =item I've read perlembed, perlguts, etc., but I can't embed perl in
3128 my C program; what am I doing wrong?
3130 =item When I tried to run my script, I got this message. What does it mean?
3132 =item What's MakeMaker?
3136 =item AUTHOR AND COPYRIGHT
3140 =head2 perlfaq4 - Data Manipulation ($Revision: 1.43 $, $Date: 2003/02/23
3151 =item Why am I getting long decimals (eg, 19.9499999999999) instead of the
3152 numbers I should be getting (eg, 19.95)?
3154 =item Why isn't my octal data interpreted correctly?
3156 =item Does Perl have a round() function? What about ceil() and floor()?
3159 =item How do I convert between numeric representations?
3161 How do I convert hexadecimal into decimal, How do I convert from decimal to
3162 hexadecimal, How do I convert from octal to decimal, How do I convert from
3163 decimal to octal, How do I convert from binary to decimal, How do I convert
3164 from decimal to binary
3166 =item Why doesn't & work the way I want it to?
3168 =item How do I multiply matrices?
3170 =item How do I perform an operation on a series of integers?
3172 =item How can I output Roman numerals?
3174 =item Why aren't my random numbers random?
3176 =item How do I get a random number between X and Y?
3184 =item How do I find the day or week of the year?
3186 =item How can I compare two dates and find the difference?
3188 =item How can I take a string and turn it into epoch seconds?
3190 =item How can I find the Julian Day?
3192 =item How do I find yesterday's date?
3194 =item Does Perl have a Year 2000 problem? Is Perl Y2K compliant?
3202 =item How do I validate input?
3204 =item How do I unescape a string?
3206 =item How do I remove consecutive pairs of characters?
3208 =item How do I expand function calls in a string?
3210 =item How do I find matching/nesting anything?
3212 =item How do I reverse a string?
3214 =item How do I expand tabs in a string?
3216 =item How do I reformat a paragraph?
3218 =item How can I access or change N characters of a string?
3220 =item How do I change the Nth occurrence of something?
3222 =item How can I count the number of occurrences of a substring within a
3225 =item How do I capitalize all the words on one line?
3227 =item How can I split a [character] delimited string except when inside
3230 =item How do I strip blank space from the beginning/end of a string?
3232 =item How do I pad a string with blanks or pad a number with zeroes?
3234 =item How do I extract selected columns from a string?
3236 =item How do I find the soundex value of a string?
3238 =item How can I expand variables in text strings?
3240 =item What's wrong with always quoting "$vars"?
3242 =item Why don't my E<lt>E<lt>HERE documents work?
3244 There must be no space after the E<lt>E<lt> part, There (probably) should
3245 be a semicolon at the end, You can't (easily) have any space in front of
3254 =item What is the difference between a list and an array?
3256 =item What is the difference between $array[1] and @array[1]?
3258 =item How can I remove duplicate elements from a list or array?
3262 =item How can I tell whether a certain element is contained in a list or
3265 =item How do I compute the difference of two arrays? How do I compute the
3266 intersection of two arrays?
3268 =item How do I test whether two arrays or hashes are equal?
3270 =item How do I find the first array element for which a condition is true?
3272 =item How do I handle linked lists?
3274 =item How do I handle circular lists?
3276 =item How do I shuffle an array randomly?
3278 =item How do I process/modify each element of an array?
3280 =item How do I select a random element from an array?
3282 =item How do I permute N elements of a list?
3284 =item How do I sort an array by (anything)?
3286 =item How do I manipulate arrays of bits?
3288 =item Why does defined() return true on empty arrays and hashes?
3292 =item Data: Hashes (Associative Arrays)
3296 =item How do I process an entire hash?
3298 =item What happens if I add or remove keys from a hash while iterating over
3301 =item How do I look up a hash element by value?
3303 =item How can I know how many entries are in a hash?
3305 =item How do I sort a hash (optionally by value instead of key)?
3307 =item How can I always keep my hash sorted?
3309 =item What's the difference between "delete" and "undef" with hashes?
3311 =item Why don't my tied hashes make the defined/exists distinction?
3313 =item How do I reset an each() operation part-way through?
3315 =item How can I get the unique keys from two hashes?
3317 =item How can I store a multidimensional array in a DBM file?
3319 =item How can I make my hash remember the order I put elements into it?
3321 =item Why does passing a subroutine an undefined element in a hash create
3324 =item How can I make the Perl equivalent of a C structure/C++ class/hash or
3325 array of hashes or arrays?
3327 =item How can I use a reference as a hash key?
3335 =item How do I handle binary data correctly?
3337 =item How do I determine whether a scalar is a number/whole/integer/float?
3339 =item How do I keep persistent data across program calls?
3341 =item How do I print out or copy a recursive data structure?
3343 =item How do I define methods for every class/object?
3345 =item How do I verify a credit card checksum?
3347 =item How do I pack arrays of doubles or floats for XS code?
3351 =item AUTHOR AND COPYRIGHT
3355 =head2 perlfaq5 - Files and Formats ($Revision: 1.28 $, $Date: 2003/01/26
3364 =item How do I flush/unbuffer an output filehandle? Why must I do this?
3366 =item How do I change one line in a file/delete a line in a file/insert a
3367 line in the middle of a file/append to the beginning of a file?
3369 =item How do I count the number of lines in a file?
3371 =item How can I use Perl's C<-i> option from within a program?
3373 =item How do I make a temporary file name?
3375 =item How can I manipulate fixed-record-length files?
3377 =item How can I make a filehandle local to a subroutine? How do I pass
3378 filehandles between subroutines? How do I make an array of filehandles?
3380 =item How can I use a filehandle indirectly?
3382 =item How can I set up a footer format to be used with write()?
3384 =item How can I write() into a string?
3386 =item How can I output my numbers with commas added?
3388 =item How can I translate tildes (~) in a filename?
3390 =item How come when I open a file read-write it wipes it out?
3392 =item Why do I sometimes get an "Argument list too long" when I use
3395 =item Is there a leak/bug in glob()?
3397 =item How can I open a file with a leading ">" or trailing blanks?
3399 =item How can I reliably rename a file?
3401 =item How can I lock a file?
3403 =item Why can't I just open(FH, "E<gt>file.lock")?
3405 =item I still don't get locking. I just want to increment the number in
3406 the file. How can I do this?
3408 =item All I want to do is append a small amount of text to the end of a
3409 file. Do I still have to use locking?
3411 =item How do I randomly update a binary file?
3413 =item How do I get a file's timestamp in perl?
3415 =item How do I set a file's timestamp in perl?
3417 =item How do I print to more than one file at once?
3419 =item How can I read in an entire file all at once?
3421 =item How can I read in a file by paragraphs?
3423 =item How can I read a single character from a file? From the keyboard?
3425 =item How can I tell whether there's a character waiting on a filehandle?
3427 =item How do I do a C<tail -f> in perl?
3429 =item How do I dup() a filehandle in Perl?
3431 =item How do I close a file descriptor by number?
3433 =item Why can't I use "C:\temp\foo" in DOS paths? Why doesn't
3434 `C:\temp\foo.exe` work?
3436 =item Why doesn't glob("*.*") get all the files?
3438 =item Why does Perl let me delete read-only files? Why does C<-i> clobber
3439 protected files? Isn't this a bug in Perl?
3441 =item How do I select a random line from a file?
3443 =item Why do I get weird spaces when I print an array of lines?
3447 =item AUTHOR AND COPYRIGHT
3451 =head2 perlfaq6 - Regular Expressions ($Revision: 1.20 $, $Date: 2003/01/03
3460 =item How can I hope to use regular expressions without creating illegible
3461 and unmaintainable code?
3463 Comments Outside the Regex, Comments Inside the Regex, Different Delimiters
3465 =item I'm having trouble matching over more than one line. What's wrong?
3467 =item How can I pull out lines between two patterns that are themselves on
3470 =item I put a regular expression into $/ but it didn't work. What's wrong?
3472 =item How do I substitute case insensitively on the LHS while preserving
3475 =item How can I make C<\w> match national character sets?
3477 =item How can I match a locale-smart version of C</[a-zA-Z]/>?
3479 =item How can I quote a variable to use in a regex?
3481 =item What is C</o> really for?
3483 =item How do I use a regular expression to strip C style comments from a
3486 =item Can I use Perl regular expressions to match balanced text?
3488 =item What does it mean that regexes are greedy? How can I get around it?
3490 =item How do I process each word on each line?
3492 =item How can I print out a word-frequency or line-frequency summary?
3494 =item How can I do approximate matching?
3496 =item How do I efficiently match many regular expressions at once?
3498 =item Why don't word-boundary searches with C<\b> work for me?
3500 =item Why does using $&, $`, or $' slow my program down?
3502 =item What good is C<\G> in a regular expression?
3504 =item Are Perl regexes DFAs or NFAs? Are they POSIX compliant?
3506 =item What's wrong with using grep or map in a void context?
3508 =item How can I match strings with multibyte characters?
3510 =item How do I match a pattern that is supplied by the user?
3514 =item AUTHOR AND COPYRIGHT
3518 =head2 perlfaq7 - General Perl Language Issues ($Revision: 1.14 $, $Date:
3519 2003/01/31 17:38:14 $)
3527 =item Can I get a BNF/yacc/RE for the Perl language?
3529 =item What are all these $@%&* punctuation signs, and how do I know when to
3532 =item Do I always/never have to quote my strings or use semicolons and
3535 =item How do I skip some return values?
3537 =item How do I temporarily block warnings?
3539 =item What's an extension?
3541 =item Why do Perl operators have different precedence than C operators?
3543 =item How do I declare/create a structure?
3545 =item How do I create a module?
3547 =item How do I create a class?
3549 =item How can I tell if a variable is tainted?
3551 =item What's a closure?
3553 =item What is variable suicide and how can I prevent it?
3555 =item How can I pass/return a {Function, FileHandle, Array, Hash, Method,
3558 Passing Variables and Functions, Passing Filehandles, Passing Regexes,
3561 =item How do I create a static variable?
3563 =item What's the difference between dynamic and lexical (static) scoping?
3564 Between local() and my()?
3566 =item How can I access a dynamic variable while a similarly named lexical
3569 =item What's the difference between deep and shallow binding?
3571 =item Why doesn't "my($foo) = E<lt>FILEE<gt>;" work right?
3573 =item How do I redefine a builtin function, operator, or method?
3575 =item What's the difference between calling a function as &foo and foo()?
3577 =item How do I create a switch or case statement?
3579 =item How can I catch accesses to undefined variables, functions, or
3582 =item Why can't a method included in this same file be found?
3584 =item How can I find out my current package?
3586 =item How can I comment out a large block of perl code?
3588 =item How do I clear a package?
3590 =item How can I use a variable as a variable name?
3592 =item What does "bad interpreter" mean?
3596 =item AUTHOR AND COPYRIGHT
3600 =head2 perlfaq8 - System Interaction ($Revision: 1.17 $, $Date: 2003/01/26
3609 =item How do I find out which operating system I'm running under?
3611 =item How come exec() doesn't return?
3613 =item How do I do fancy stuff with the keyboard/screen/mouse?
3615 Keyboard, Screen, Mouse
3617 =item How do I print something out in color?
3619 =item How do I read just one key without waiting for a return key?
3621 =item How do I check whether input is ready on the keyboard?
3623 =item How do I clear the screen?
3625 =item How do I get the screen size?
3627 =item How do I ask the user for a password?
3629 =item How do I read and write the serial port?
3631 lockfiles, open mode, end of line, flushing output, non-blocking input
3633 =item How do I decode encrypted password files?
3635 =item How do I start a process in the background?
3637 STDIN, STDOUT, and STDERR are shared, Signals, Zombies
3639 =item How do I trap control characters/signals?
3641 =item How do I modify the shadow password file on a Unix system?
3643 =item How do I set the time and date?
3645 =item How can I sleep() or alarm() for under a second?
3647 =item How can I measure time under a second?
3649 =item How can I do an atexit() or setjmp()/longjmp()? (Exception handling)
3651 =item Why doesn't my sockets program work under System V (Solaris)? What
3652 does the error message "Protocol not supported" mean?
3654 =item How can I call my system's unique C functions from Perl?
3656 =item Where do I get the include files to do ioctl() or syscall()?
3658 =item Why do setuid perl scripts complain about kernel problems?
3660 =item How can I open a pipe both to and from a command?
3662 =item Why can't I get the output of a command with system()?
3664 =item How can I capture STDERR from an external command?
3666 =item Why doesn't open() return an error when a pipe open fails?
3668 =item What's wrong with using backticks in a void context?
3670 =item How can I call backticks without shell processing?
3672 =item Why can't my script read from STDIN after I gave it EOF (^D on Unix,
3675 =item How can I convert my shell script to perl?
3677 =item Can I use perl to run a telnet or ftp session?
3679 =item How can I write expect in Perl?
3681 =item Is there a way to hide perl's command line from programs such as
3684 =item I {changed directory, modified my environment} in a perl script. How
3685 come the change disappeared when I exited the script? How do I get my
3686 changes to be visible?
3690 =item How do I close a process's filehandle without waiting for it to
3693 =item How do I fork a daemon process?
3695 =item How do I find out if I'm running interactively or not?
3697 =item How do I timeout a slow event?
3699 =item How do I set CPU limits?
3701 =item How do I avoid zombies on a Unix system?
3703 =item How do I use an SQL database?
3705 =item How do I make a system() exit on control-C?
3707 =item How do I open a file without blocking?
3709 =item How do I install a module from CPAN?
3711 =item What's the difference between require and use?
3713 =item How do I keep my own module/library directory?
3715 =item How do I add the directory my program lives in to the module/library
3718 =item How do I add a directory to my include path at runtime?
3720 =item What is socket.ph and where do I get it?
3724 =item AUTHOR AND COPYRIGHT
3728 =head2 perlfaq9 - Networking ($Revision: 1.15 $, $Date: 2003/01/31 17:36:57
3737 =item What is the correct form of response from a CGI script?
3739 =item My CGI script runs from the command line but not the browser. (500
3742 =item How can I get better error messages from a CGI program?
3744 =item How do I remove HTML from a string?
3746 =item How do I extract URLs?
3748 =item How do I download a file from the user's machine? How do I open a
3749 file on another machine?
3751 =item How do I make a pop-up menu in HTML?
3753 =item How do I fetch an HTML file?
3755 =item How do I automate an HTML form submission?
3757 =item How do I decode or create those %-encodings on the web?
3759 =item How do I redirect to another page?
3761 =item How do I put a password on my web pages?
3763 =item How do I edit my .htpasswd and .htgroup files with Perl?
3765 =item How do I make sure users can't enter values into a form that cause my
3766 CGI script to do bad things?
3768 =item How do I parse a mail header?
3770 =item How do I decode a CGI form?
3772 =item How do I check a valid mail address?
3774 =item How do I decode a MIME/BASE64 string?
3776 =item How do I return the user's mail address?
3778 =item How do I send mail?
3780 =item How do I use MIME to make an attachment to a mail message?
3782 =item How do I read mail?
3784 =item How do I find out my hostname/domainname/IP address?
3786 =item How do I fetch a news article or the active newsgroups?
3788 =item How do I fetch/put an FTP file?
3790 =item How can I do RPC in Perl?
3794 =item AUTHOR AND COPYRIGHT
3798 =head2 perlcompile - Introduction to the Perl Compiler-Translator
3808 B::Bytecode, B::C, B::CC, B::Lint, B::Deparse, B::Xref
3812 =item Using The Back Ends
3816 =item The Cross Referencing Back End
3820 =item The Decompiling Back End
3822 =item The Lint Back End
3824 =item The Simple C Back End
3826 =item The Bytecode Back End
3828 =item The Optimized C Back End
3832 =item Module List for the Compiler Suite
3834 B, O, B::Asmdata, B::Assembler, B::Bblock, B::Bytecode, B::C, B::CC,
3835 B::Concise, B::Debug, B::Deparse, B::Disassembler, B::Lint, B::Showlex,
3836 B::Stackobj, B::Stash, B::Terse, B::Xref
3838 =item KNOWN PROBLEMS
3844 =head2 perlembed - how to embed perl in your C program
3854 B<Use C from Perl?>, B<Use a Unix program from Perl?>, B<Use Perl from
3855 Perl?>, B<Use C from C?>, B<Use Perl from C?>
3859 =item Compiling your C program
3861 =item Adding a Perl interpreter to your C program
3863 =item Calling a Perl subroutine from your C program
3865 =item Evaluating a Perl statement from your C program
3867 =item Performing Perl pattern matches and substitutions from your C program
3869 =item Fiddling with the Perl stack from your C program
3871 =item Maintaining a persistent interpreter
3873 =item Execution of END blocks
3875 =item Maintaining multiple interpreter instances
3877 =item Using Perl modules, which themselves use C libraries, from your C
3882 =item Embedding Perl under Win32
3894 =head2 perldebguts - Guts of Perl debugging
3900 =item Debugger Internals
3904 =item Writing Your Own Debugger
3908 =item Frame Listing Output Examples
3910 =item Debugging regular expressions
3914 =item Compile-time output
3916 C<anchored> I<STRING> C<at> I<POS>, C<floating> I<STRING> C<at>
3917 I<POS1..POS2>, C<matching floating/anchored>, C<minlen>, C<stclass>
3918 I<TYPE>, C<noscan>, C<isall>, C<GPOS>, C<plus>, C<implicit>, C<with eval>,
3921 =item Types of nodes
3923 =item Run-time output
3927 =item Debugging Perl memory usage
3931 =item Using C<$ENV{PERL_DEBUG_MSTATS}>
3933 C<buckets SMALLEST(APPROX)..GREATEST(APPROX)>, Free/Used, C<Total sbrk():
3934 SBRKed/SBRKs:CONTINUOUS>, C<pad: 0>, C<heads: 2192>, C<chain: 0>, C<tail:
3937 =item Example of using B<-DL> switch
3939 C<717>, C<002>, C<054>, C<602>, C<702>, C<704>
3941 =item B<-DL> details
3945 =item Limitations of B<-DL> statistics
3953 =head2 perlxstut, perlXStut - Tutorial for writing XSUBs
3965 =item Version caveat
3967 =item Dynamic Loading versus Static Loading
3979 =item What has gone on?
3981 =item Writing good test scripts
3985 =item What's new here?
3987 =item Input and Output Parameters
3989 =item The XSUBPP Program
3991 =item The TYPEMAP file
3993 =item Warning about Output Arguments
3997 =item What has happened here?
3999 =item Anatomy of .xs file
4001 =item Getting the fat out of XSUBs
4003 =item More about XSUB arguments
4005 =item The Argument Stack
4007 =item Extending your Extension
4009 =item Documenting your Extension
4011 =item Installing your Extension
4015 =item New Things in this Example
4019 =item New Things in this Example
4021 =item EXAMPLE 7 (Coming Soon)
4023 =item EXAMPLE 8 (Coming Soon)
4025 =item EXAMPLE 9 Passing open files to XSes
4027 =item Troubleshooting these Examples
4043 =head2 perlxs - XS language reference manual
4055 =item The Anatomy of an XSUB
4057 =item The Argument Stack
4059 =item The RETVAL Variable
4061 =item The MODULE Keyword
4063 =item The PACKAGE Keyword
4065 =item The PREFIX Keyword
4067 =item The OUTPUT: Keyword
4069 =item The NO_OUTPUT Keyword
4071 =item The CODE: Keyword
4073 =item The INIT: Keyword
4075 =item The NO_INIT Keyword
4077 =item Initializing Function Parameters
4079 =item Default Parameter Values
4081 =item The PREINIT: Keyword
4083 =item The SCOPE: Keyword
4085 =item The INPUT: Keyword
4087 =item The IN/OUTLIST/IN_OUTLIST/OUT/IN_OUT Keywords
4089 =item The C<length(NAME)> Keyword
4091 =item Variable-length Parameter Lists
4093 =item The C_ARGS: Keyword
4095 =item The PPCODE: Keyword
4097 =item Returning Undef And Empty Lists
4099 =item The REQUIRE: Keyword
4101 =item The CLEANUP: Keyword
4103 =item The POSTCALL: Keyword
4105 =item The BOOT: Keyword
4107 =item The VERSIONCHECK: Keyword
4109 =item The PROTOTYPES: Keyword
4111 =item The PROTOTYPE: Keyword
4113 =item The ALIAS: Keyword
4115 =item The OVERLOAD: Keyword
4117 =item The FALLBACK: Keyword
4119 =item The INTERFACE: Keyword
4121 =item The INTERFACE_MACRO: Keyword
4123 =item The INCLUDE: Keyword
4125 =item The CASE: Keyword
4127 =item The & Unary Operator
4129 =item Inserting POD, Comments and C Preprocessor Directives
4131 =item Using XS With C++
4133 =item Interface Strategy
4135 =item Perl Objects And C Structures
4139 =item Safely Storing Static Data in XS
4141 MY_CXT_KEY, typedef my_cxt_t, START_MY_CXT, MY_CXT_INIT, dMY_CXT, MY_CXT
4153 =head2 perlclib - Internal replacements for standard C library functions
4163 C<t>, C<p>, C<n>, C<s>
4165 =item File Operations
4167 =item File Input and Output
4169 =item File Positioning
4171 =item Memory Management and String Handling
4173 =item Character Class Tests
4175 =item F<stdlib.h> functions
4177 =item Miscellaneous functions
4185 =head2 perlguts - Introduction to the Perl API
4197 =item What is an "IV"?
4199 =item Working with SVs
4203 =item What's Really Stored in an SV?
4205 =item Working with AVs
4207 =item Working with HVs
4209 =item Hash API Extensions
4213 =item Blessed References and Class Objects
4215 =item Creating New Variables
4217 GV_ADDMULTI, GV_ADDWARN
4219 =item Reference Counts and Mortality
4221 =item Stashes and Globs
4223 =item Double-Typed SVs
4225 =item Magic Variables
4227 =item Assigning Magic
4229 =item Magic Virtual Tables
4233 =item Understanding the Magic of Tied Hashes and Arrays
4235 =item Localizing changes
4237 C<SAVEINT(int i)>, C<SAVEIV(IV i)>, C<SAVEI32(I32 i)>, C<SAVELONG(long i)>,
4238 C<SAVESPTR(s)>, C<SAVEPPTR(p)>, C<SAVEFREESV(SV *sv)>, C<SAVEMORTALIZESV(SV
4239 *sv)>, C<SAVEFREEOP(OP *op)>, C<SAVEFREEPV(p)>, C<SAVECLEARSV(SV *sv)>,
4240 C<SAVEDELETE(HV *hv, char *key, I32 length)>,
4241 C<SAVEDESTRUCTOR(DESTRUCTORFUNC_NOCONTEXT_t f, void *p)>,
4242 C<SAVEDESTRUCTOR_X(DESTRUCTORFUNC_t f, void *p)>, C<SAVESTACK_POS()>, C<SV*
4243 save_scalar(GV *gv)>, C<AV* save_ary(GV *gv)>, C<HV* save_hash(GV *gv)>,
4244 C<void save_item(SV *item)>, C<void save_list(SV **sarg, I32 maxsarg)>,
4245 C<SV* save_svref(SV **sptr)>, C<void save_aptr(AV **aptr)>, C<void
4246 save_hptr(HV **hptr)>
4254 =item XSUBs and the Argument Stack
4256 =item Calling Perl Routines from within C Programs
4258 =item Memory Allocation
4262 =item Putting a C value on Perl stack
4266 =item Scratchpads and recursion
4276 =item Examining the tree
4278 =item Compile pass 1: check routines
4280 =item Compile pass 1a: constant folding
4282 =item Compile pass 2: context propagation
4284 =item Compile pass 3: peephole optimization
4286 =item Pluggable runops
4290 =item Examining internal data structures with the C<dump> functions
4292 =item How multiple interpreters and concurrency are supported
4296 =item Background and PERL_IMPLICIT_CONTEXT
4298 =item So what happened to dTHR?
4300 =item How do I use all this in extensions?
4302 =item Should I do anything special if I call perl from multiple threads?
4304 =item Future Plans and PERL_IMPLICIT_SYS
4308 =item Internal Functions
4310 A, p, d, s, n, r, f, M, o, j, x
4314 =item Formatted Printing of IVs, UVs, and NVs
4316 =item Pointer-To-Integer and Integer-To-Pointer
4318 =item Source Documentation
4322 =item Unicode Support
4326 =item What B<is> Unicode, anyway?
4328 =item How can I recognise a UTF8 string?
4330 =item How does UTF8 represent Unicode characters?
4332 =item How does Perl store UTF8 strings?
4334 =item How do I convert a string to UTF8?
4336 =item Is there anything else I need to know?
4340 =item Custom Operators
4348 =head2 perlcall - Perl calling conventions from C
4354 An Error Handler, An Event Driven Program
4356 =item THE CALL_ FUNCTIONS
4358 call_sv, call_pv, call_method, call_argv
4378 =item Determining the Context
4382 =item KNOWN PROBLEMS
4388 =item No Parameters, Nothing returned
4390 =item Passing Parameters
4392 =item Returning a Scalar
4394 =item Returning a list of values
4396 =item Returning a list in a scalar context
4398 =item Returning Data from Perl via the parameter list
4402 =item Using G_KEEPERR
4406 =item Using call_argv
4408 =item Using call_method
4412 =item Using Perl to dispose of temporaries
4414 =item Strategies for storing Callback Context Information
4416 1. Ignore the problem - Allow only 1 callback, 2. Create a sequence of
4417 callbacks - hard wired limit, 3. Use a parameter to map to the Perl
4420 =item Alternate Stack Manipulation
4422 =item Creating and calling an anonymous subroutine in C
4434 =head2 perlutil - utilities packaged with the Perl distribution
4444 L<perldoc|perldoc>, L<pod2man|pod2man> and L<pod2text|pod2text>,
4445 L<pod2html|pod2html> and L<pod2latex|pod2latex>, L<pod2usage|pod2usage>,
4446 L<podselect|podselect>, L<podchecker|podchecker>, L<splain|splain>,
4447 L<roffitall|roffitall>
4451 L<a2p|a2p>, L<s2p|s2p>, L<find2perl|find2perl>
4453 =item Administration
4455 L<libnetcfg|libnetcfg>
4459 L<perlbug|perlbug>, L<h2ph|h2ph>, L<c2ph|c2ph> and L<pstruct|pstruct>,
4460 L<h2xs|h2xs>, L<dprofpp|dprofpp>, L<perlcc|perlcc>
4468 =head2 perlfilter - Source Filters
4478 =item WRITING A SOURCE FILTER
4480 =item WRITING A SOURCE FILTER IN C
4482 B<Decryption Filters>
4484 =item CREATING A SOURCE FILTER AS A SEPARATE EXECUTABLE
4486 =item WRITING A SOURCE FILTER IN PERL
4488 =item USING CONTEXT: THE DEBUG FILTER
4492 =item THINGS TO LOOK OUT FOR
4494 Some Filters Clobber the C<DATA> Handle
4504 =head2 perldbmfilter - Perl DBM Filters
4512 B<filter_store_key>, B<filter_store_value>, B<filter_fetch_key>,
4513 B<filter_fetch_value>
4519 =item An Example -- the NULL termination problem.
4521 =item Another Example -- Key is a C int.
4531 =head2 perlapi - autogenerated documentation for the perl public API
4537 =item "Gimme" Values
4539 GIMME, GIMME_V, G_ARRAY, G_DISCARD, G_EVAL, G_NOARGS, G_SCALAR, G_VOID
4541 =item Array Manipulation Functions
4543 AvFILL, av_clear, av_delete, av_exists, av_extend, av_fetch, av_fill,
4544 av_len, av_make, av_pop, av_push, av_shift, av_store, av_undef, av_unshift,
4545 get_av, newAV, Nullav, sortsv
4547 =item Callback Functions
4549 call_argv, call_method, call_pv, call_sv, ENTER, eval_pv, eval_sv,
4550 FREETMPS, LEAVE, SAVETMPS
4552 =item Character classes
4554 isALNUM, isALPHA, isDIGIT, isLOWER, isSPACE, isUPPER, toLOWER, toUPPER
4556 =item Cloning an interpreter
4560 =item CV Manipulation Functions
4562 CvSTASH, get_cv, Nullcv
4564 =item Embedding Functions
4566 cv_undef, load_module, nothreadhook, perl_alloc, perl_construct,
4567 perl_destruct, perl_free, perl_parse, perl_run, require_pv
4569 =item Functions in file pp_pack.c
4571 packlist, pack_cat, unpackstring, unpack_str
4573 =item Global Variables
4575 PL_modglobal, PL_na, PL_sv_no, PL_sv_undef, PL_sv_yes
4579 GvSV, gv_fetchmeth, gv_fetchmethod, gv_fetchmethod_autoload,
4580 gv_fetchmeth_autoload, gv_stashpv, gv_stashsv
4584 HEf_SVKEY, Nullch, Nullsv
4586 =item Hash Manipulation Functions
4588 get_hv, HeHASH, HeKEY, HeKLEN, HePV, HeSVKEY, HeSVKEY_force, HeSVKEY_set,
4589 HeVAL, HvNAME, hv_clear, hv_delete, hv_delete_ent, hv_exists,
4590 hv_exists_ent, hv_fetch, hv_fetch_ent, hv_iterinit, hv_iterkey,
4591 hv_iterkeysv, hv_iternext, hv_iternextsv, hv_iternext_flags, hv_iterval,
4592 hv_magic, hv_store, hv_store_ent, hv_undef, newHV, Nullhv
4594 =item Magical Functions
4596 mg_clear, mg_copy, mg_find, mg_free, mg_get, mg_length, mg_magical, mg_set,
4597 SvGETMAGIC, SvLOCK, SvSETMAGIC, SvSetMagicSV, SvSetMagicSV_nosteal,
4598 SvSetSV, SvSetSV_nosteal, SvSHARE
4600 =item Memory Management
4602 Copy, Move, New, Newc, NEWSV, Newz, Poison, Renew, Renewc, Safefree,
4603 savepv, savepvn, savesharedpv, StructCopy, Zero
4605 =item Miscellaneous Functions
4607 fbm_compile, fbm_instr, form, getcwd_sv, strEQ, strGE, strGT, strLE, strLT,
4608 strNE, strnEQ, strnNE
4610 =item Numeric functions
4612 grok_bin, grok_hex, grok_number, grok_numeric_radix, grok_oct, scan_bin,
4615 =item Optree Manipulation Functions
4617 cv_const_sv, newCONSTSUB, newXS
4619 =item Pad Data Structures
4623 =item Stack Manipulation Macros
4625 dMARK, dORIGMARK, dSP, EXTEND, MARK, ORIGMARK, POPi, POPl, POPn, POPp,
4626 POPpbytex, POPpx, POPs, PUSHi, PUSHMARK, PUSHn, PUSHp, PUSHs, PUSHu,
4627 PUTBACK, SP, SPAGAIN, XPUSHi, XPUSHn, XPUSHp, XPUSHs, XPUSHu, XSRETURN,
4628 XSRETURN_IV, XSRETURN_NO, XSRETURN_NV, XSRETURN_PV, XSRETURN_UNDEF,
4629 XSRETURN_YES, XST_mIV, XST_mNO, XST_mNV, XST_mPV, XST_mUNDEF, XST_mYES
4633 svtype, SVt_IV, SVt_NV, SVt_PV, SVt_PVAV, SVt_PVCV, SVt_PVHV, SVt_PVMG
4635 =item SV Manipulation Functions
4637 get_sv, looks_like_number, newRV_inc, newRV_noinc, newSV, newSViv, newSVnv,
4638 newSVpv, newSVpvf, newSVpvn, newSVpvn_share, newSVrv, newSVsv, newSVuv,
4639 new_version, scan_version, scan_vstring, SvCUR, SvCUR_set, SvEND, SvGROW,
4640 SvIOK, SvIOKp, SvIOK_notUV, SvIOK_off, SvIOK_on, SvIOK_only, SvIOK_only_UV,
4641 SvIOK_UV, SvIsCOW, SvIsCOW_shared_hash, SvIV, SvIVx, SvIVX, SvLEN, SvNIOK,
4642 SvNIOKp, SvNIOK_off, SvNOK, SvNOKp, SvNOK_off, SvNOK_on, SvNOK_only, SvNV,
4643 SvNVX, SvNVx, SvOK, SvOOK, SvPOK, SvPOKp, SvPOK_off, SvPOK_on, SvPOK_only,
4644 SvPOK_only_UTF8, SvPV, SvPVbyte, SvPVbytex, SvPVbytex_force,
4645 SvPVbyte_force, SvPVbyte_nolen, SvPVutf8, SvPVutf8x, SvPVutf8x_force,
4646 SvPVutf8_force, SvPVutf8_nolen, SvPVx, SvPVX, SvPV_force, SvPV_force_nomg,
4647 SvPV_nolen, SvREFCNT, SvREFCNT_dec, SvREFCNT_inc, SvROK, SvROK_off,
4648 SvROK_on, SvRV, SvSTASH, SvTAINT, SvTAINTED, SvTAINTED_off, SvTAINTED_on,
4649 SvTRUE, SvTYPE, SvUNLOCK, SvUOK, SvUPGRADE, SvUTF8, SvUTF8_off, SvUTF8_on,
4650 SvUV, SvUVX, SvUVx, SvVOK, sv_2bool, sv_2cv, sv_2io, sv_2iv, sv_2mortal,
4651 sv_2nv, sv_2pvbyte, sv_2pvbyte_nolen, sv_2pvutf8, sv_2pvutf8_nolen,
4652 sv_2pv_flags, sv_2pv_nolen, sv_2uv, sv_backoff, sv_bless, sv_catpv,
4653 sv_catpvf, sv_catpvf_mg, sv_catpvn, sv_catpvn_flags, sv_catpvn_mg,
4654 sv_catpv_mg, sv_catsv, sv_catsv_flags, sv_catsv_mg, sv_chop, sv_clear,
4655 sv_cmp, sv_cmp_locale, sv_collxfrm, sv_copypv, sv_dec, sv_derived_from,
4656 sv_eq, sv_force_normal, sv_force_normal_flags, sv_free, sv_gets, sv_grow,
4657 sv_inc, sv_insert, sv_isa, sv_isobject, sv_iv, sv_len, sv_len_utf8,
4658 sv_magic, sv_magicext, sv_mortalcopy, sv_newmortal, sv_newref,
4659 sv_nolocking, sv_nosharing, sv_nounlocking, sv_nv, sv_pos_b2u, sv_pos_u2b,
4660 sv_pv, sv_pvbyte, sv_pvbyten, sv_pvbyten_force, sv_pvn, sv_pvn_force,
4661 sv_pvn_force_flags, sv_pvutf8, sv_pvutf8n, sv_pvutf8n_force, sv_reftype,
4662 sv_replace, sv_report_used, sv_reset, sv_rvweaken, sv_setiv, sv_setiv_mg,
4663 sv_setnv, sv_setnv_mg, sv_setpv, sv_setpvf, sv_setpvf_mg, sv_setpviv,
4664 sv_setpviv_mg, sv_setpvn, sv_setpvn_mg, sv_setpv_mg, sv_setref_iv,
4665 sv_setref_nv, sv_setref_pv, sv_setref_pvn, sv_setref_uv, sv_setsv,
4666 sv_setsv_flags, sv_setsv_mg, sv_setuv, sv_setuv_mg, sv_taint, sv_tainted,
4667 sv_true, sv_unmagic, sv_unref, sv_unref_flags, sv_untaint, sv_upgrade,
4668 sv_usepvn, sv_usepvn_mg, sv_utf8_decode, sv_utf8_downgrade, sv_utf8_encode,
4669 sv_utf8_upgrade, sv_utf8_upgrade_flags, sv_uv, sv_vcatpvfn, sv_vsetpvfn,
4670 upg_version, vcmp, vnumify, vstringify
4672 =item Unicode Support
4674 bytes_from_utf8, bytes_to_utf8, ibcmp_utf8, is_utf8_char, is_utf8_string,
4675 pv_uni_display, sv_cat_decode, sv_recode_to_utf8, sv_uni_display,
4676 to_utf8_case, to_utf8_fold, to_utf8_lower, to_utf8_title, to_utf8_upper,
4677 utf8n_to_uvchr, utf8n_to_uvuni, utf8_distance, utf8_hop, utf8_length,
4678 utf8_to_bytes, utf8_to_uvchr, utf8_to_uvuni, uvchr_to_utf8,
4681 =item Variables created by C<xsubpp> and C<xsubpp> internal functions
4683 ax, CLASS, dAX, dITEMS, dXSARGS, dXSI32, items, ix, newXSproto, RETVAL, ST,
4684 THIS, XS, XSRETURN_EMPTY, XS_VERSION, XS_VERSION_BOOTCHECK
4686 =item Warning and Dieing
4696 =head2 perlintern - autogenerated documentation of purely B<internal>
4703 =item CV reference counts and CvOUTSIDE
4707 =item Functions in file pad.h
4709 CX_CURPAD_SAVE, CX_CURPAD_SV, PAD_BASE_SV, PAD_CLONE_VARS,
4710 PAD_COMPNAME_FLAGS, PAD_COMPNAME_GEN, PAD_COMPNAME_OURSTASH,
4711 PAD_COMPNAME_PV, PAD_COMPNAME_TYPE, PAD_DUP, PAD_RESTORE_LOCAL,
4712 PAD_SAVE_LOCAL, PAD_SAVE_SETNULLPAD, PAD_SETSV, PAD_SET_CUR, PAD_SV,
4713 PAD_SVl, SAVECLEARSV, SAVECOMPPAD, SAVEPADSV
4715 =item Functions in file pp_ctl.c
4719 =item Global Variables
4721 PL_DBsingle, PL_DBsub, PL_DBtrace, PL_dowarn, PL_last_in_gv, PL_ofs_sv,
4732 =item Pad Data Structures
4734 CvPADLIST, cv_clone, cv_dump, do_dump_pad, intro_my, pad_add_anon,
4735 pad_add_name, pad_alloc, pad_block_start, pad_check_dup, pad_findlex,
4736 pad_findmy, pad_fixup_inner_anons, pad_free, pad_leavemy, pad_new,
4737 pad_push, pad_reset, pad_setsv, pad_swipe, pad_tidy, pad_undef
4739 =item Stack Manipulation Macros
4743 =item SV Manipulation Functions
4745 report_uninit, sv_add_arena, sv_clean_all, sv_clean_objs, sv_free_arenas
4753 =head2 perliol - C API for Perl's implementation of IO in Layers.
4763 =item History and Background
4765 =item Layers vs Disciplines
4767 =item Data Structures
4769 =item Functions and Attributes
4771 =item Per-instance Data
4773 =item Layers in action.
4775 =item Per-instance flag bits
4777 PERLIO_F_EOF, PERLIO_F_CANWRITE, PERLIO_F_CANREAD, PERLIO_F_ERROR,
4778 PERLIO_F_TRUNCATE, PERLIO_F_APPEND, PERLIO_F_CRLF, PERLIO_F_UTF8,
4779 PERLIO_F_UNBUF, PERLIO_F_WRBUF, PERLIO_F_RDBUF, PERLIO_F_LINEBUF,
4780 PERLIO_F_TEMP, PERLIO_F_OPEN, PERLIO_F_FASTGETS
4782 =item Methods in Detail
4784 fsize, name, size, kind, PERLIO_K_BUFFERED, PERLIO_K_RAW, PERLIO_K_CANCRLF,
4785 PERLIO_K_FASTGETS, PERLIO_K_MULTIARG, Pushed, Popped, Open, Binmode,
4786 Getarg, Fileno, Dup, Read, Write, Seek, Tell, Close, Flush, Fill, Eof,
4787 Error, Clearerr, Setlinebuf, Get_base, Get_bufsiz, Get_ptr, Get_cnt,
4790 =item Implementing PerlIO Layers
4794 "unix", "perlio", "stdio", "crlf", "mmap", "pending", "raw", "utf8"
4796 =item Extension Layers
4798 ":encoding", ":scalar", ":via"
4806 =head2 perlapio - perl's IO abstraction interface.
4814 1. USE_STDIO, 2. USE_SFIO, 3. USE_PERLIO, B<PerlIO_stdin()>,
4815 B<PerlIO_stdout()>, B<PerlIO_stderr()>, B<PerlIO_open(path, mode)>,
4816 B<PerlIO_fdopen(fd,mode)>, B<PerlIO_reopen(path,mode,f)>,
4817 B<PerlIO_printf(f,fmt,...)>, B<PerlIO_vprintf(f,fmt,a)>,
4818 B<PerlIO_stdoutf(fmt,...)>, B<PerlIO_read(f,buf,count)>,
4819 B<PerlIO_write(f,buf,count)>, B<PerlIO_close(f)>, B<PerlIO_puts(f,s)>,
4820 B<PerlIO_putc(f,c)>, B<PerlIO_ungetc(f,c)>, B<PerlIO_getc(f)>,
4821 B<PerlIO_eof(f)>, B<PerlIO_error(f)>, B<PerlIO_fileno(f)>,
4822 B<PerlIO_clearerr(f)>, B<PerlIO_flush(f)>, B<PerlIO_seek(f,offset,whence)>,
4823 B<PerlIO_tell(f)>, B<PerlIO_getpos(f,p)>, B<PerlIO_setpos(f,p)>,
4824 B<PerlIO_rewind(f)>, B<PerlIO_tmpfile()>, B<PerlIO_setlinebuf(f)>
4828 =item Co-existence with stdio
4830 B<PerlIO_importFILE(f,mode)>, B<PerlIO_exportFILE(f,mode)>,
4831 B<PerlIO_releaseFILE(p,f)>, B<PerlIO_findFILE(f)>
4833 =item "Fast gets" Functions
4835 B<PerlIO_fast_gets(f)>, B<PerlIO_has_cntptr(f)>, B<PerlIO_get_cnt(f)>,
4836 B<PerlIO_get_ptr(f)>, B<PerlIO_set_ptrcnt(f,p,c)>, B<PerlIO_canset_cnt(f)>,
4837 B<PerlIO_set_cnt(f,c)>, B<PerlIO_has_base(f)>, B<PerlIO_get_base(f)>,
4838 B<PerlIO_get_bufsiz(f)>
4840 =item Other Functions
4842 PerlIO_apply_layers(f,mode,layers), PerlIO_binmode(f,ptype,imode,layers),
4843 'E<lt>' read, 'E<gt>' write, '+' read/write, PerlIO_debug(fmt,...)
4849 =head2 perltodo - Perl TO-DO List
4855 =item To do during 5.6.x
4859 =item Support for I/O disciplines
4861 =item Autoload bytes.pm
4863 =item Make "\u{XXXX}" et al work
4865 =item Create a char *sv_pvprintify(sv, STRLEN *lenp, UV flags)
4867 =item Overloadable regex assertions
4871 =item Work out exit/die semantics for threads
4873 =item Better support for nonpreemptive threading systems like GNU pth
4875 =item Typed lexicals for compiler
4877 =item Compiler workarounds for Win32
4879 =item AUTOLOADing in the compiler
4881 =item Fixing comppadlist when compiling
4883 =item Cleaning up exported namespace
4885 =item Complete signal handling
4887 =item Out-of-source builds
4889 =item POSIX realtime support
4891 =item UNIX98 support
4895 =item Long double conversion
4899 =item Arithmetic on non-Arabic numerals
4901 =item POSIX Unicode character classes
4903 =item Factoring out common suffices/prefices in regexps (trie optimization)
4905 =item Security audit shipped utilities
4907 =item Sort out the uid-setting mess
4909 =item Custom opcodes
4911 =item DLL Versioning
4913 =item Introduce @( and @)
4915 =item Floating point handling
4917 =item IV/UV preservation
4919 =item Replace pod2html with something using Pod::Parser
4921 =item Automate module testing on CPAN
4923 =item sendmsg and recvmsg
4925 =item Rewrite perlre documentation
4927 =item Convert example code to IO::Handle filehandles
4929 =item Document Win32 choices
4931 =item Check new modules
4933 =item Make roffitall find pods and libs itself
4937 =item To do at some point
4941 =item Remove regular expression recursion
4943 =item Memory leaks after failed eval
4945 =item bitfields in pack
4947 =item Cross compilation
4949 =item Perl preprocessor / macros
4951 =item Perl lexer in Perl
4953 =item Using POSIX calls internally
4955 =item -i rename file when changed
4957 =item All ARGV input should act like E<lt>E<gt>
4959 =item Support for rerunning debugger
4961 =item Test Suite for the Debugger
4963 =item my sub foo { }
4965 =item One-pass global destruction
4967 =item Rewrite regexp parser
4969 =item Cache recently used regexps
4971 =item Cross-compilation support
4973 =item Bit-shifting bitvectors
4975 =item debugger pragma
4977 =item use less pragma
4979 =item switch structures
4981 =item Cache eval tree
4985 =item Shrink opcode tables
4987 =item Optimize away @_
4989 =item Prototypes versus indirect objects
4993 =item Prototype method calls
4995 =item Return context prototype declarations
4999 =item Garbage collection
5003 =item Rewrite perldoc
5005 =item Install .3p manpages
5007 =item Unicode tutorial
5009 =item Update POSIX.pm for 1003.1-2
5011 =item Retargetable installation
5013 =item POSIX emulation on non-POSIX systems
5015 =item Rename Win32 headers
5017 =item Finish off lvalue functions
5019 =item Update sprintf documentation
5021 =item Use fchown/fchmod internally
5023 =item Make v-strings overloaded objects
5025 =item Allow restricted hash assignment
5027 =item Should overload be inheritable?
5037 =item ref() in list context
5039 =item Make tr/// return histogram of characters in list context
5041 =item Compile to real threaded code
5043 =item Structured types
5045 =item Modifiable $1 et al.
5047 =item Procedural interfaces for IO::*, etc.
5051 =item Attach/detach debugger from running program
5055 =item foreach(reverse ...)
5057 =item Constant function cache
5059 =item Approximate regular expression matching
5067 =item Update guts documentation
5069 =item Add more tests
5071 =item Update auxiliary tools
5073 =item Create debugging macros
5075 =item truncate to the people
5077 =item Unicode in Filenames
5081 =item Unicode in %ENV
5083 =item Recently done things
5087 =item Alternative RE syntax module
5089 =item Safe signal handling
5095 =item setitimer and getimiter
5097 =item Testing __DIE__ hook
5099 =item CPP equivalent in Perl
5101 =item Explicit switch statements
5109 =item perlcc to produce executable
5111 =item END blocks saved in compiled output
5113 =item Secure temporary file module
5115 =item Integrate Time::HiRes
5117 =item Turn Cwd into XS
5119 =item Mmap for input
5121 =item Byte to/from UTF8 and UTF8 to/from local conversion
5123 =item Add sockatmark support
5125 =item Mailing list archives
5129 =item Integrate MacPerl
5131 =item Web "nerve center" for Perl
5133 =item Regular expression tutorial
5135 =item Debugging Tutorial
5137 =item Integrate new modules
5139 =item Integrate profiler
5141 =item Y2K error detection
5143 =item Regular expression debugger
5147 =item "Dynamic" lexicals
5149 =item Cache precompiled modules
5153 =item Deprecated Wishes
5157 =item Loop control on do{}
5159 =item Lexically scoped typeglobs
5165 =item Generalised want()/caller())
5167 =item Named prototypes
5169 =item Built-in globbing
5171 =item Regression tests for suidperl
5173 =item Cached hash values
5175 =item Add compression modules
5177 =item Reorganise documentation into tutorials/references
5179 =item Remove distinction between functions and operators
5181 =item Make XS easier to use
5183 =item Make embedding easier to use
5187 =item my $Package::variable
5189 =item "or" tests defined, not truth
5191 =item "class"-based lexicals
5195 =item Lazy evaluation / tail recursion removal
5197 =item Make "use utf8" the default
5199 =item Unicode collation and normalization
5201 =item pack/unpack tutorial
5207 =head2 perlhack - How to hack at the Perl internals
5213 Does concept match the general goals of Perl?, Where is the
5214 implementation?, Backwards compatibility, Could it be a module instead?, Is
5215 the feature generic enough?, Does it potentially introduce new bugs?, Does
5216 it preclude other desirable features?, Is the implementation robust?, Is
5217 the implementation generic enough to be portable?, Is the implementation
5218 tested?, Is there enough documentation?, Is there another way to do it?,
5219 Does it create too much work?, Patches speak louder than words
5223 =item Keeping in sync
5225 rsync'ing the source tree, Using rsync over the LAN, Using pushing over the
5226 NFS, rsync'ing the patches
5228 =item Why rsync the source tree
5230 It's easier to rsync the source tree, It's more reliable
5232 =item Why rsync the patches
5234 It's easier to rsync the patches, It's a good reference, Finding a start
5235 point, Finding how to fix a bug, Finding the source of misbehaviour
5237 =item Perlbug administration
5239 =item Submitting patches
5241 L<perlguts>, L<perlxstut> and L<perlxs>, L<perlapi>,
5242 F<Porting/pumpkin.pod>, The perl5-porters FAQ
5244 =item Finding Your Way Around
5246 Core modules, Tests, Documentation, Configure, Interpreter
5248 =item Elements of the interpreter
5250 Startup, Parsing, Optimization, Running
5252 =item Internal Variable Types
5258 Argument stack, Mark stack, Save stack
5260 =item Millions of Macros
5262 =item Poking at Perl
5264 =item Using a source-level debugger
5266 run [args], break function_name, break source.c:xxx, step, next, continue,
5267 finish, 'enter', print
5269 =item Dumping Perl Data Structures
5273 =item Patching a core module
5275 =item Adding a new function to the core
5277 =item Writing a test
5279 F<t/base/>, F<t/cmd/>, F<t/comp/>, F<t/io/>, F<t/lib/>, F<t/op/>,
5280 F<t/pod/>, F<t/run/>, F<t/uni/>, F<t/win32/>, F<t/x2p>, t/base t/comp,
5281 t/cmd t/run t/io t/op, t/lib ext lib
5283 =item Special Make Test Targets
5285 coretest, test.deparse, minitest, test.third check.third utest.third
5286 ucheck.third, test.torture torturetest, utest ucheck test.utf8 check.utf8,
5289 =item Running tests by hand
5291 PERL_CORE=1, PERL_DESTRUCT_LEVEL=2, PERL, PERL_SKIP_TTY_TEST
5295 =item EXTERNAL TOOLS FOR DEBUGGING PERL
5299 =item Rational Software's Purify
5301 =item Purify on Unix
5303 -Accflags=-DPURIFY, -Doptimize='-g', -Uusemymalloc, -Dusemultiplicity
5307 DEFINES, USE_MULTI = define, #PERL_MALLOC = define, CFG = Debug
5309 =item Compaq's/Digital's/HP's Third Degree
5311 =item PERL_DESTRUCT_LEVEL
5315 =item Gprof Profiling
5317 -a, -b, -e routine, -f routine, -s, -z
5319 =item GCC gcov Profiling
5321 =item Pixie Profiling
5323 -h, -l, -p[rocedures], -h[eavy], -i[nvocations], -l[ines], -testcoverage,
5326 =item Miscellaneous tricks
5330 I<The Road goes ever on and on, down from the door where it began.>
5338 =head2 perldoc - Look up Perl documentation in Pod format.
5348 B<-h>, B<-v>, B<-t>, B<-u>, B<-m> I<module>, B<-l>, B<-F>, B<-f>
5349 I<perlfunc>, B<-q> I<perlfaq-search-regexp>, B<-T>, B<-d>
5350 I<destination-filename>, B<-o> I<output-formatname>, B<-M> I<module-name>,
5351 B<-w> I<option:value> or B<-w> I<option>, B<-X>,
5352 B<PageName|ModuleName|ProgramName>, B<-n> I<some-formatter>, B<-r>, B<-i>,
5363 =head2 perlhist - the Perl history records
5371 =item THE KEEPERS OF THE PUMPKIN
5383 =item SELECTED RELEASE SIZES
5385 =item SELECTED PATCH SIZES
5389 =item THE KEEPERS OF THE RECORDS
5393 =head2 perldelta - what is new for perl v5.9.0
5399 =item Incompatible Changes
5401 =item Core Enhancements
5405 =item Tied Arrays with Negative Array Indices
5409 =item Modules and Pragmata
5411 =item Utility Changes
5413 =item New Documentation
5415 =item Performance Enhancements
5417 =item Installation and Configuration Improvements
5419 =item Selected Bug Fixes
5421 =item New or Changed Diagnostics
5423 =item Changed Internals
5427 =item Known Problems
5429 =item Platform Specific Problems
5431 =item Reporting Bugs
5437 =head2 perl58delta, perldelta - what is new for perl v5.8.0
5443 =item Highlights In 5.8.0
5445 =item Incompatible Changes
5449 =item Binary Incompatibility
5451 =item 64-bit platforms and malloc
5453 =item AIX Dynaloading
5455 =item Attributes for C<my> variables now handled at run-time
5457 =item Socket Extension Dynamic in VMS
5459 =item IEEE-format Floating Point Default on OpenVMS Alpha
5461 =item New Unicode Semantics (no more C<use utf8>, almost)
5463 =item New Unicode Properties
5465 =item REF(...) Instead Of SCALAR(...)
5467 =item pack/unpack D/F recycled
5469 =item glob() now returns filenames in alphabetical order
5475 =item Core Enhancements
5479 =item Unicode Overhaul
5481 =item PerlIO is Now The Default
5485 =item Restricted Hashes
5489 =item Understanding of Numbers
5491 =item Arrays now always interpolate into double-quoted strings [561]
5493 =item Miscellaneous Changes
5497 =item Modules and Pragmata
5501 =item New Modules and Pragmata
5503 =item Updated And Improved Modules and Pragmata
5507 =item Utility Changes
5509 =item New Documentation
5511 =item Performance Enhancements
5513 =item Installation and Configuration Improvements
5517 =item Generic Improvements
5519 =item New Or Improved Platforms
5523 =item Selected Bug Fixes
5527 =item Platform Specific Changes and Fixes
5531 =item New or Changed Diagnostics
5533 =item Changed Internals
5535 =item Security Vulnerability Closed [561]
5539 =item Known Problems
5543 =item The Compiler Suite Is Still Very Experimental
5545 =item Localising Tied Arrays and Hashes Is Broken
5547 =item Building Extensions Can Fail Because Of Largefiles
5549 =item Modifying $_ Inside for(..)
5551 =item mod_perl 1.26 Doesn't Build With Threaded Perl
5553 =item lib/ftmp-security tests warn 'system possibly insecure'
5555 =item libwww-perl (LWP) fails base/date #51
5557 =item PDL failing some tests
5561 =item Self-tying Problems
5563 =item ext/threads/t/libc
5565 =item Failure of Thread (5.005-style) tests
5567 =item Timing problems
5569 =item Tied/Magical Array/Hash Elements Do Not Autovivify
5571 =item Unicode in package/class and subroutine names does not work
5575 =item Platform Specific Problems
5581 =item Alpha systems with old gccs fail several tests
5587 =item Cygwin "unable to remap"
5589 =item Cygwin ndbm tests fail on FAT
5591 =item DJGPP Failures
5593 =item FreeBSD built with ithreads coredumps reading large directories
5595 =item FreeBSD Failing locale Test 117 For ISO 8859-15 Locales
5597 =item IRIX fails ext/List/Util/t/shuffle.t or Digest::MD5
5599 =item HP-UX lib/posix Subtest 9 Fails When LP64-Configured
5601 =item Linux with glibc 2.2.5 fails t/op/int subtest #6 with -Duse64bitint
5603 =item Linux With Sfio Fails op/misc Test 48
5607 =item Mac OS X dyld undefined symbols
5609 =item OS/2 Test Failures
5611 =item op/sprintf tests 91, 129, and 130
5617 =item Solaris x86 Fails Tests With -Duse64bitint
5619 =item SUPER-UX (NEC SX)
5621 =item Term::ReadKey not working on Win32
5633 =item XML::Parser not working
5637 =item Unicode Support on EBCDIC Still Spotty
5639 =item Seen In Perl 5.7 But Gone Now
5643 =item Reporting Bugs
5651 =head2 perl573delta - what's new for perl v5.7.3
5659 =item Reporting Bugs
5667 =head2 perl572delta - what's new for perl v5.7.2
5673 =item Security Vulnerability Closed
5675 =item Incompatible Changes
5679 =item 64-bit platforms and malloc
5681 =item AIX Dynaloading
5683 =item Socket Extension Dynamic in VMS
5685 =item Different Definition of the Unicode Character Classes \p{In...}
5691 =item Core Enhancements
5693 =item Modules and Pragmata
5697 =item New Modules and Distributions
5699 =item Updated And Improved Modules and Pragmata
5703 =item Utility Changes
5705 =item New Documentation
5707 =item Installation and Configuration Improvements
5711 =item New Or Improved Platforms
5713 =item Generic Improvements
5717 =item Selected Bug Fixes
5721 =item Platform Specific Changes and Fixes
5725 =item New or Changed Diagnostics
5727 =item Source Code Enhancements
5731 =item MAGIC constants
5733 =item Better commented code
5735 =item Regex pre-/post-compilation items matched up
5743 =item Known Problems
5749 =item Amiga Perl Invoking Mystery
5751 =item lib/ftmp-security tests warn 'system possibly insecure'
5753 =item Cygwin intermittent failures of lib/Memoize/t/expire_file 11 and 12
5755 =item HP-UX lib/io_multihomed Fails When LP64-Configured
5757 =item HP-UX lib/posix Subtest 9 Fails When LP64-Configured
5759 =item Linux With Sfio Fails op/misc Test 48
5763 =item op/sprintf tests 129 and 130
5765 =item Failure of Thread tests
5775 =item Localising a Tied Variable Leaks Memory
5777 =item Self-tying of Arrays and Hashes Is Forbidden
5779 =item Variable Attributes are not Currently Usable for Tieing
5781 =item Building Extensions Can Fail Because Of Largefiles
5783 =item The Compiler Suite Is Still Experimental
5785 =item The Long Double Support is Still Experimental
5789 =item Reporting Bugs
5797 =head2 perl571delta - what's new for perl v5.7.1
5803 =item Security Vulnerability Closed
5805 =item Incompatible Changes
5807 =item Core Enhancements
5811 =item AUTOLOAD Is Now Lvaluable
5813 =item PerlIO is Now The Default
5815 =item Signals Are Now Safe
5819 =item Modules and Pragmata
5825 =item Updated And Improved Modules and Pragmata
5829 =item Performance Enhancements
5831 =item Utility Changes
5833 =item New Documentation
5849 =item README.solaris
5853 =item Porting/repository.pod
5857 =item Installation and Configuration Improvements
5861 =item New Or Improved Platforms
5863 =item Generic Improvements
5865 d_cmsghdr, d_fcntl_can_lock, d_fsync, d_getitimer, d_getpagsz, d_msghdr_s,
5866 need_va_copy, d_readv, d_recvmsg, d_sendmsg, sig_size, d_sockatmark,
5867 d_strtoq, d_u32align, d_ualarm, d_usleep
5871 =item Selected Bug Fixes
5875 =item Platform Specific Changes and Fixes
5879 =item New or Changed Diagnostics