X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/07fcf8ff4a18d7bde9f6b306fe8bbb50d0153ff4..a8ebcfe95ec8b1154af89ff11cafe446ac5f2dab:/pod/perl.pod diff --git a/pod/perl.pod b/pod/perl.pod index 081e1df..72dca8b 100644 --- a/pod/perl.pod +++ b/pod/perl.pod @@ -1,20 +1,30 @@ =head1 NAME -perl - Practical Extraction and Report Language +perl - The Perl 5 language interpreter =head1 SYNOPSIS -B S<[ B<-sTuU> ]> S<[ B<-hv> ] [ B<-V>[:I] ]> - S<[ B<-cw> ] [ B<-d>[:I] ] [ B<-D>[I] ]> - S<[ B<-pna> ] [ B<-F>I ] [ B<-l>[I] ] [ B<-0>[I] ]> - S<[ B<-I>I ] [ B<-m>[B<->]I ] [ B<-M>[B<->]I<'module...'> ]> - S<[ B<-P> ]> S<[ B<-S> ]> S<[ B<-x>[I] ]> - S<[ B<-i>[I] ]> S<[ B<-e> I<'command'> ] - [ B<--> ] [ I ] [ I ]...> +B S<[ B<-sTtuUWX> ]> + S<[ B<-hv> ] [ B<-V>[:I] ]> + S<[ B<-cw> ] [ B<-d>[B][:I] ] [ B<-D>[I] ]> + S<[ B<-pna> ] [ B<-F>I ] [ B<-l>[I] ] [ B<-0>[I] ]> + S<[ B<-I>I ] [ B<-m>[B<->]I ] [ B<-M>[B<->]I<'module...'> ] [ B<-f> ]> + S<[ B<-C [I] >]> + S<[ B<-S> ]> + S<[ B<-x>[I] ]> + S<[ B<-i>[I] ]> + S<[ [B<-e>|B<-E>] I<'command'> ] [ B<--> ] [ I ] [ I ]...> -If you're new to Perl, you should start with L, which is a -general intro for beginners and provides some background to help you -navigate the rest of Perl's extensive documentation. +=head1 GETTING HELP + +The F program gives you access to all the documentation that comes +with Perl. You can get more documentation, tutorials and community support +online at L. + +If you're new to Perl, you should start by running C, +which is a general intro for beginners and provides some background to help +you navigate the rest of Perl's extensive documentation. Run C to learn more things you can do with F. For ease of access, the Perl manual has been split up into several sections. @@ -30,7 +40,7 @@ For ease of access, the Perl manual has been split up into several sections. perldsc Perl data structures intro perllol Perl data structures: arrays of arrays - perlrequick Perl regular expressions quick start + perlrequick Perl regular expressions quick start perlretut Perl regular expressions tutorial perlboot Perl OO tutorial for beginners @@ -38,8 +48,11 @@ For ease of access, the Perl manual has been split up into several sections. perltooc Perl OO tutorial, part 2 perlbot Perl OO tricks and examples + perlperf Perl Performance and Optimization Techniques + perlstyle Perl style guide + perlcheat Perl cheat sheet perltrap Perl traps for the unwary perldebtut Perl debugging tutorial @@ -62,14 +75,19 @@ For ease of access, the Perl manual has been split up into several sections. perlsub Perl subroutines perlfunc Perl built-in functions perlopentut Perl open() tutorial + perlpacktut Perl pack() and unpack() tutorial perlpod Perl plain old documentation - perlpodspec Perl plain old documentation format specification + perlpodspec Perl plain old documentation format specification + perlpodstyle Perl POD style guide perlrun Perl execution and options perldiag Perl diagnostic messages - perllexwarn Perl warnings and their control + perllexwarn Perl warnings and their control perldebug Perl debugging perlvar Perl predefined variables perlre Perl regular expressions, the rest of the story + perlrebackslash Perl regular expression backslash sequences + perlrecharclass Perl regular expression character classes + perlreref Perl regular expressions quick reference perlref Perl references, the rest of the story perlform Perl formats perlobj Perl objects @@ -81,12 +99,14 @@ For ease of access, the Perl manual has been split up into several sections. perlnumber Perl number semantics perlthrtut Perl threads tutorial - perlothrtut Old Perl threads tutorial perlport Perl portability guide perllocale Perl locale support perluniintro Perl Unicode introduction - perlunicode Perl Unicode support + perlunicode Perl Unicode support + perlunifaq Perl Unicode FAQ + perluniprops Index of Unicode Version 6.0.0 properties in Perl + perlunitut Perl Unicode tutorial perlebcdic Considerations for running Perl on EBCDIC platforms perlsec Perl security @@ -96,22 +116,28 @@ For ease of access, the Perl manual has been split up into several sections. perlmodstyle Perl modules: how to write modules with style perlmodinstall Perl modules: how to install from CPAN perlnewmod Perl modules: preparing a new module for distribution + perlpragma Perl modules: writing a user pragma perlutil utilities packaged with the Perl distribution - perlcompile Perl compiler suite intro + perlcompile Perl compiler suite intro perlfilter Perl source filters + perlglossary Perl Glossary + =head2 Internals and C Language Interface perlembed Perl ways to embed perl in your C or C++ application - perldebguts Perl debugging guts and tips + perldebguts Perl debugging guts and tips perlxstut Perl XS tutorial perlxs Perl XS application programming interface perlclib Internal replacements for standard C library functions perlguts Perl internal functions for those doing extensions perlcall Perl calling conventions from C + perlmroapi Perl method resolution plugin interface + perlreapi Perl regular expression plugin interface + perlreguts Perl regular expression engine internals perlapi Perl API listing (autogenerated) perlintern Perl internal functions (autogenerated) @@ -119,21 +145,73 @@ For ease of access, the Perl manual has been split up into several sections. perlapio Perl internal IO abstraction interface perlhack Perl hackers guide + perlpolicy Perl development policies + perlrepository Perl source repository =head2 Miscellaneous perlbook Perl book information + perlcommunity Perl community information perltodo Perl things to do + perldoc Look up Perl documentation in Pod format + perlhist Perl history records perldelta Perl changes since previous version + perl5137delta Perl changes in version 5.13.7 + perl5136delta Perl changes in version 5.13.6 + perl5135delta Perl changes in version 5.13.5 + perl5134delta Perl changes in version 5.13.4 + perl5133delta Perl changes in version 5.13.3 + perl5132delta Perl changes in version 5.13.2 + perl5131delta Perl changes in version 5.13.1 + perl5130delta Perl changes in version 5.13.0 + perl5122delta Perl changes in version 5.12.2 + perl5121delta Perl changes in version 5.12.1 + perl5120delta Perl changes in version 5.12.0 + perl5115delta Perl changes in version 5.11.5 + perl5114delta Perl changes in version 5.11.4 + perl5113delta Perl changes in version 5.11.3 + perl5112delta Perl changes in version 5.11.2 + perl5111delta Perl changes in version 5.11.1 + perl5110delta Perl changes in version 5.11.0 + perl5101delta Perl changes in version 5.10.1 + perl5100delta Perl changes in version 5.10.0 + perl595delta Perl changes in version 5.9.5 + perl594delta Perl changes in version 5.9.4 + perl593delta Perl changes in version 5.9.3 + perl592delta Perl changes in version 5.9.2 + perl591delta Perl changes in version 5.9.1 + perl590delta Perl changes in version 5.9.0 + perl589delta Perl changes in version 5.8.9 + perl588delta Perl changes in version 5.8.8 + perl587delta Perl changes in version 5.8.7 + perl586delta Perl changes in version 5.8.6 + perl585delta Perl changes in version 5.8.5 + perl584delta Perl changes in version 5.8.4 + perl583delta Perl changes in version 5.8.3 + perl582delta Perl changes in version 5.8.2 + perl581delta Perl changes in version 5.8.1 + perl58delta Perl changes in version 5.8.0 + perl573delta Perl changes in version 5.7.3 perl572delta Perl changes in version 5.7.2 perl571delta Perl changes in version 5.7.1 perl570delta Perl changes in version 5.7.0 - perl56delta Perl changes in version 5.6 + perl561delta Perl changes in version 5.6.1 + perl56delta Perl changes in version 5.6 perl5005delta Perl changes in version 5.005 perl5004delta Perl changes in version 5.004 + perlartistic Perl Artistic License + perlgpl GNU General Public License + +=head2 Language-Specific + + perlcn Perl for Simplified Chinese (in EUC-CN) + perljp Perl for Japanese (in EUC-JP) + perlko Perl for Korean (in EUC-KR) + perltw Perl for Traditional Chinese (in Big5) + =head2 Platform-Specific perlaix Perl notes for AIX @@ -146,59 +224,45 @@ For ease of access, the Perl manual has been split up into several sections. perldgux Perl notes for DG/UX perldos Perl notes for DOS perlepoc Perl notes for EPOC + perlfreebsd Perl notes for FreeBSD + perlhaiku Perl notes for Haiku perlhpux Perl notes for HP-UX perlhurd Perl notes for Hurd - perlmachten Perl notes for Power MachTen + perlirix Perl notes for Irix + perllinux Perl notes for Linux perlmacos Perl notes for Mac OS (Classic) - perlmint Perl notes for MiNT + perlmacosx Perl notes for Mac OS X perlmpeix Perl notes for MPE/iX - perlnetware Perl notes for NetWare + perlnetware Perl notes for NetWare + perlopenbsd Perl notes for OpenBSD perlos2 Perl notes for OS/2 perlos390 Perl notes for OS/390 + perlos400 Perl notes for OS/400 perlplan9 Perl notes for Plan 9 perlqnx Perl notes for QNX + perlriscos Perl notes for RISC OS perlsolaris Perl notes for Solaris + perlsymbian Perl notes for Symbian perltru64 Perl notes for Tru64 - perluts Perl notes for UTS + perluts Perl notes for UTS perlvmesa Perl notes for VM/ESA perlvms Perl notes for VMS perlvos Perl notes for Stratus VOS perlwin32 Perl notes for Windows -By default, the manpages listed above are installed in the -F directory. - -Extensive additional documentation for Perl modules is available. The -default configuration for perl will place this additional documentation -in the F directory (or else in the F -subdirectory of the Perl library directory). Some of this additional -documentation is distributed standard with Perl, but you'll also find -documentation for third-party modules there. - -You should be able to view Perl's documentation with your man(1) -program by including the proper directories in the appropriate start-up -files, or in the MANPATH environment variable. To find out where the -configuration has installed the manpages, type: +On a Unix-like system, these documentation files will usually also be +available as manpages for use with the F program. - perl -V:man.dir - -If the directories have a common stem, such as F -and F, you need only to add that stem -(F) to your man(1) configuration files or your MANPATH -environment variable. If they do not share a stem, you'll have to add -both stems. - -If that doesn't work for some reason, you can still use the -supplied F script to view module information. You might -also look into getting a replacement man program. - -If something strange has gone wrong with your program and you're not -sure where you should look for help, try the B<-w> switch first. It -will often point out exactly where the trouble is. +In general, if something strange has gone wrong with your program and you're +not sure where you should look for help, try the B<-w> switch first. It will +often point out exactly where the trouble is. =head1 DESCRIPTION +Perl officially stands for Practical Extraction and Report Language, +except when it doesn't. + Perl is a language optimized for scanning arbitrary text files, extracting information from those text files, and printing reports based on that information. It's also a good language for many @@ -218,16 +282,8 @@ unlimited depth. And the tables used by hashes (sometimes called "associative arrays") grow as necessary to prevent degraded performance. Perl can use sophisticated pattern matching techniques to scan large amounts of data quickly. Although optimized for -scanning text, Perl can also deal with binary data, and can make dbm -files look like hashes. Setuid Perl scripts are safer than C programs -through a dataflow tracing mechanism that prevents many stupid -security holes. - -If you have a problem that would ordinarily use B or B or -B, but it exceeds their capabilities or must run a little faster, -and you don't want to write the silly thing in C, then Perl may be for -you. There are also translators to turn your B and B -scripts into Perl scripts. +scanning text, Perl also has many excellent tools for slicing +and dicing binary data. But wait, there's more... @@ -251,7 +307,8 @@ L, and L. =item * -roll-your-own magic variables (including multiple simultaneous DBM implementations) +roll-your-own magic variables (including multiple simultaneous DBM +implementations) Described in L and L. @@ -276,21 +333,15 @@ and L. =item * -compilability into C code or Perl bytecode - -Described in L and L. - -=item * - support for light-weight processes (threads) -Described in L and L. +Described in L and L. =item * -support for internationalization, localization, and Unicode +support for Unicode, internationalization, and localization -Described in L and L. +Described in L, L and L. =item * @@ -346,12 +397,10 @@ Perl developers, please write to perl-thanks@perl.org . =head1 SEE ALSO - a2p awk to perl translator - s2p sed to perl translator - - http://www.perl.com/ the Perl Home Page + http://www.perl.org/ the Perl homepage + http://www.perl.com/ Perl articles (O'Reilly) http://www.cpan.org/ the Comprehensive Perl Archive - http://www.perl.org/ Perl Mongers (Perl user groups) + http://www.pm.org/ the Perl Mongers =head1 DIAGNOSTICS @@ -395,7 +444,7 @@ affected by wraparound). You may mail your bug reports (be sure to include full configuration information as output by the myconfig program in the perl source tree, or by C) to perlbug@perl.org . If you've succeeded -in compiling perl, the B script in the F subdirectory +in compiling perl, the L script in the F subdirectory can be used to help mail in a bug report. Perl actually stands for Pathologically Eclectic Rubbish Lister, but