X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/c22a0cd5b5367764e384c02fc6f17451ad760484..09187cb170014b7d158b84fa92795ed1ad2ae0d7:/pod/perl.pod diff --git a/pod/perl.pod b/pod/perl.pod index f954e10..fd55b8d 100644 --- a/pod/perl.pod +++ b/pod/perl.pod @@ -12,81 +12,115 @@ B S<[ B<-sTuU> ]> S<[ B<-hv> ] [ B<-V>[:I] ]> S<[ B<-i>[I] ]> S<[ B<-e> I<'command'> ] [ B<--> ] [ I ] [ I ]...> -For ease of access, the Perl manual has been split up into several -sections: +For ease of access, the Perl manual has been split up into several sections: perl Perl overview (this section) - perldelta Perl changes since previous version - perl5005delta Perl changes in version 5.005 - perl5004delta Perl changes in version 5.004 perlfaq Perl frequently asked questions perltoc Perl documentation table of contents + perlbook Perl book information - perldata Perl data structures perlsyn Perl syntax + perldata Perl data structures perlop Perl operators and precedence - perlre Perl regular expressions - perlrun Perl execution and options - perlfunc Perl builtin functions - perlopentut Perl open() tutorial - perlvar Perl predefined variables perlsub Perl subroutines - perlmod Perl modules: how they work - perlmodlib Perl modules: how to write and use - perlmodinstall Perl modules: how to install from CPAN - perlform Perl formats - perlunicode Perl unicode support - perllocale Perl locale support - + perlfunc Perl builtin functions perlreftut Perl references short introduction - perlref Perl references, the rest of the story perldsc Perl data structures intro + perlrequick Perl regular expressions quick start + perlpod Perl plain old documentation + perlstyle Perl style guide + perltrap Perl traps for the unwary + + perlrun Perl execution and options + perldiag Perl diagnostic messages + perllexwarn Perl warnings and their control + perldebtut Perl debugging tutorial + perldebug Perl debugging + + perlvar Perl predefined variables perllol Perl data structures: arrays of arrays + perlopentut Perl open() tutorial + perlretut Perl regular expressions tutorial + + perlre Perl regular expressions, the rest of the story + perlref Perl references, the rest of the story + + perlform Perl formats + perlboot Perl OO tutorial for beginners perltoot Perl OO tutorial, part 1 perltootc Perl OO tutorial, part 2 perlobj Perl objects - perltie Perl objects hidden behind simple variables perlbot Perl OO tricks and examples + perltie Perl objects hidden behind simple variables + perlipc Perl interprocess communication perlfork Perl fork() information + perlnumber Perl number semantics perlthrtut Perl threads tutorial - perllexwarn Perl warnings and their control - perlfilter Perl source filters - perldbmfilter Perl DBM filters - perlcompile Perl compiler suite intro - perldebug Perl debugging - perldiag Perl diagnostic messages - perlnumber Perl number semantics - perlsec Perl security - perltrap Perl traps for the unwary perlport Perl portability guide - perlstyle Perl style guide + perllocale Perl locale support + perlunicode Perl unicode support + perlebcdic Considerations for running Perl on EBCDIC platforms - perlpod Perl plain old documentation - perlbook Perl book information + perlsec Perl security + + perlmod Perl modules: how they work + perlmodlib Perl modules: how to write and use + perlmodinstall Perl modules: how to install from CPAN + perlnewmod Perl modules: preparing a new module for distribution + + perlfaq1 General Questions About Perl + perlfaq2 Obtaining and Learning about Perl + perlfaq3 Programming Tools + perlfaq4 Data Manipulation + perlfaq5 Files and Formats + perlfaq6 Regexes + perlfaq7 Perl Language Issues + perlfaq8 System Interaction + perlfaq9 Networking + + perlcompile Perl compiler suite intro perlembed Perl ways to embed perl in your C or C++ application - perlapio Perl internal IO abstraction interface - perlxs Perl XS application programming interface + 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 + perlutil utilities packaged with the Perl distribution + perlfilter Perl source filters + perldbmfilter Perl DBM filters perlapi Perl API listing (autogenerated) perlintern Perl internal functions (autogenerated) - + perliol C API for Perl's implementation of IO in Layers + perlapio Perl internal IO abstraction interface perltodo Perl things to do perlhack Perl hackers guide + perlhist Perl history records + perldelta Perl changes since previous version + perl56delta Perl changes in version 5.6 + perl5005delta Perl changes in version 5.005 + perl5004delta Perl changes in version 5.004 + perlaix Perl notes for AIX perlamiga Perl notes for Amiga + perlbs2000 Perl notes for POSIX-BC BS2000 perlcygwin Perl notes for Cygwin perldos Perl notes for DOS + perlepoc Perl notes for EPOC perlhpux Perl notes for HP-UX + perlmachten Perl notes for Power MachTen + perlmpeix Perl notes for MPE/iX perlos2 Perl notes for OS/2 perlos390 Perl notes for OS/390 + perlsolaris Perl notes for Solaris + perlvmesa Perl notes for VM/ESA perlvms Perl notes for VMS + perlvos Perl notes for Stratus VOS perlwin32 Perl notes for Windows (If you're intending to read these straight through for the first time, @@ -160,58 +194,85 @@ But wait, there's more... Begun in 1993 (see L), Perl version 5 is nearly a complete rewrite that provides the following additional benefits: -=over +=over 4 + +=item * -=item * modularity and reusability using innumerable modules +modularity and reusability using innumerable modules Described in L, L, and L. -=item * embeddable and extensible +=item * + +embeddable and extensible Described in L, L, L, L, L, and L. -=item * roll-your-own magic variables (including multiple simultaneous DBM implementations) +=item * + +roll-your-own magic variables (including multiple simultaneous DBM implementations) Described in L and L. -=item * subroutines can now be overridden, autoloaded, and prototyped +=item * + +subroutines can now be overridden, autoloaded, and prototyped Described in L. -=item * arbitrarily nested data structures and anonymous functions +=item * + +arbitrarily nested data structures and anonymous functions Described in L, L, L, and L. -=item * object-oriented programming +=item * + +object-oriented programming Described in L, L, and L. -=item * compilability into C code or Perl bytecode +=item * + +compilability into C code or Perl bytecode Described in L and L. -=item * support for light-weight processes (threads) +=item * + +support for light-weight processes (threads) Described in L and L. -=item * support for internationalization, localization, and Unicode +=item * + +support for internationalization, localization, and Unicode Described in L and L. -=item * lexical scoping +=item * + +lexical scoping Described in L. -=item * regular expression enhancements +=item * + +regular expression enhancements Described in L, with additional examples in L. -=item * enhanced debugger and interactive Perl environment, with integrated editor support +=item * + +enhanced debugger and interactive Perl environment, +with integrated editor support Described in L. -=item * POSIX 1003.1 compliant library +=item * + +POSIX 1003.1 compliant library Described in L. @@ -222,148 +283,8 @@ Okay, that's I enough hype. =head1 AVAILABILITY Perl is available for most operating systems, including virtually -all Unix-like platforms. - -As of early March 2000 (the Perl release 5.6.0), the following -platforms are able to build Perl from the standard source code -distribution available at http://www.perl.com/CPAN/src/index.html - - AIX - DOS DJGPP 1) - FreeBSD - HP-UX - IRIX - Linux - LynxOS - MachTen - MPE/iX - NetBSD - OpenBSD - OS/2 - Rhapsody/Darwin 2) - Solaris - Tru64 UNIX 3) - UNICOS - UNICOS/mk - VMS - VOS - Windows 3.1 1) - Windows 95 1) 4) - Windows 98 1) 4) - Windows NT 1) 4) - - 1) in DOS mode either the DOS or OS/2 ports can be used - 2) new in 5.6.0: the BSD/NeXT-based UNIX of Mac OS X - 3) formerly known as Digital UNIX and before that DEC OSF/1 - 4) compilers: Borland, Cygwin, Mingw32 EGCS/GCC, VC++ - -The following platforms worked for the previous major release -(5.005_03 being the latest maintenance release of that, as of early -March 2000), but be did not manage to test these in time for the 5.6.0 -release of Perl. There is a very good chance that these will work -just fine with 5.6.0. - - A/UX - BeOS - BSD/OS - DG/UX - DYNIX/ptx - DomainOS - Hurd - NextSTEP - OpenSTEP - PowerMAX - QNX - SCO ODT/OSR - SunOS - SVR4 - Ultrix - -The following platform worked for the previous major release (5.005_03 -being the latest maintenance release of that, as of early March 2000). -However, standardization on UTF-8 as the internal string representation -in 5.6.0 has introduced incompatibilities in this EBCDIC platform. -Support for this platform may be enabled in a future release: - - OS390 1) - - 1) Previously known as MVS, or OpenEdition MVS. - -Strongly related to the OS390 platform by also being EBCDIC-based -mainframe platforms are the following platforms: - - BS2000 - VM/ESA - -These are also not expected to work under 5.6.0 for the same reasons -as OS390. Contact the mailing list perl-mvs@perl.org for more details. - -MacOS (Classic, pre-X) is almost 5.6.0-ready; building from the source -does work with 5.6.0, but additional MacOS specific source code is needed -for a complete port. Contact the mailing list macperl-porters@macperl.org -for more more information. - -The following platforms have been known to build Perl from source in -the past, but we haven't been able to verify their status for the -current release, either because the hardware/software platforms are -rare or because we don't have an active champion on these -platforms--or both: - - 3b1 - AmigaOS - ConvexOS - CX/UX - DC/OSx - DDE SMES - DOS EMX - Dynix - EP/IX - ESIX - FPS - GENIX - Greenhills - ISC - MachTen 68k - MiNT - MPC - NEWS-OS - Opus - Plan 9 - PowerUX - RISC/os - Stellar - SVR2 - TI1500 - TitanOS - Unisys Dynix - Unixware - -Support for the following platform is planned for a future Perl release: - - Netware - -The following platforms have their own source code distributions and -binaries available via http://www.perl.com/CPAN/ports/index.html: - - Perl release - - AS/400 5.003 - Netware 5.003_07 - Tandem Guardian 5.004 - -The following platforms have only binaries available via -http://www.perl.com/CPAN/ports/index.html: - - Perl release - - Acorn RISCOS 5.005_02 - AOS 5.002 - LynxOS 5.004_02 - -Although we do suggest that you always build your own Perl from -the source code, both for maximal configurability and for security, -in case you are in a hurry you can check -http://www.perl.com/CPAN/ports/index.html for binary distributions. +all Unix-like platforms. See L +for a listing. =head1 ENVIRONMENT @@ -392,7 +313,8 @@ Perl developers, please write to perl-thanks@perl.org . =head1 DIAGNOSTICS -The B<-w> switch produces some lovely diagnostics. +The C pragma (and the B<-w> switch) produces some +lovely diagnostics. See L for explanations of all Perl's diagnostics. The C pragma automatically turns Perl's normally terse warnings @@ -430,8 +352,8 @@ 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.com . If you've succeeded -in compiling perl, the perlbug script in the utils/ subdirectory +tree, or by C) to perlbug@perl.org . If you've succeeded +in compiling perl, the B script in the F subdirectory can be used to help mail in a bug report. Perl actually stands for Pathologically Eclectic Rubbish Lister, but