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Module::CoreList(3pm)                 Perl Programmers Reference Guide                 Module::CoreList(3pm)



NAME
       Module::CoreList - what modules shipped with versions of perl

SYNOPSIS
        use Module::CoreList;

        print $Module::CoreList::version{5.00503}{CPAN}; # prints 1.48

        print Module::CoreList->first_release('File::Spec');         # prints 5.00405
        print Module::CoreList->first_release_by_date('File::Spec'); # prints 5.005
        print Module::CoreList->first_release('File::Spec', 0.82);   # prints 5.006001

        print join ', ', Module::CoreList->find_modules(qr/Data/);
           # prints 'Data::Dumper'
        print join ', ', Module::CoreList->find_modules(qr/test::h.*::.*s/i, 5.008008);
           # prints 'Test::Harness::Assert, Test::Harness::Straps'

        print join ", ", @{ $Module::CoreList::families{5.005} };
           # prints "5.005, 5.00503, 5.00504"

DESCRIPTION
       Module::CoreList provides information on which core and dual-life modules shipped with each version
       of perl.

       It provides a number of mechanisms for querying this information.

       There is a utility called corelist provided with this module which is a convenient way of querying
       from the command-line.

       There is a functional programming API available for programmers to query information.

       Programmers may also query the contained hash structures to find relevant information.

FUNCTIONS API
       These are the functions that are available, they may either be called as functions or class methods:

         Module::CoreList::first_release('File::Spec'); # as a function

         Module::CoreList->first_release('File::Spec'); # class method

       "first_release( MODULE )"
           Behaviour since version 2.11

           Requires a MODULE name as an argument, returns the perl version when that module first appeared
           in core as ordered by perl version number or undef ( in scalar context ) or an empty list ( in
           list context ) if that module is not in core.

       "first_release_by_date( MODULE )"
           Requires a MODULE name as an argument, returns the perl version when that module first appeared
           in core as ordered by release date or undef ( in scalar context ) or an empty list ( in list
           context ) if that module is not in core.

       "find_modules( REGEX, [ LIST OF PERLS ] )"
           Takes a regex as an argument, returns a list of modules that match the regex given.  If only a
           regex is provided applies to all modules in all perl versions. Optionally you may provide a list
           of perl versions to limit the regex search.

       "find_version( PERL_VERSION )"
           Takes a perl version as an argument. Returns that perl version if it exists or "undef" otherwise.

       "is_deprecated( MODULE, PERL_VERSION )"
           Available in version 2.22 and above.

           Returns true if MODULE is marked as deprecated in PERL_VERSION.  If PERL_VERSION is omitted, it
           defaults to the current version of Perl.

       "removed_from( MODULE )"
           Available in version 2.32 and above

           Takes a module name as an argument, returns the first perl version where that module was removed
           from core. Returns undef if the given module was never in core or remains in core.

       "removed_from_by_date( MODULE )"
           Available in version 2.32 and above

           Takes a module name as an argument, returns the first perl version by release date where that
           module was removed from core. Returns undef if the given module was never in core or remains in
           core.

DATA STRUCTURES
       These are the hash data structures that are available:

       %Module::CoreList::version
           A hash of hashes that is keyed on perl version as indicated in $].  The second level hash is
           module => version pairs.

           Note, it is possible for the version of a module to be unspecified, whereby the value is "undef",
           so use "exists $version{$foo}{$bar}" if that's what you're testing for.

           Starting with 2.10, the special module name "Unicode" refers to the version of the Unicode
           Character Database bundled with Perl.

       %Module::CoreList::released
           Keyed on perl version this contains ISO formatted versions of the release dates, as gleaned from
           perlhist.

       %Module::CoreList::families
           New, in 1.96, a hash that clusters known perl releases by their major versions.

       %Module::CoreList::deprecated
           A hash of hashes keyed on perl version and on module name.  If a module is defined it indicates
           that that module is deprecated in that perl version and is scheduled for removal from core at
           some future point.

       %Module::CoreList::upstream
           A hash that contains information on where patches should be directed for each core module.

           UPSTREAM indicates where patches should go. "undef" implies that this hasn't been discussed for
           the module at hand.  "blead" indicates that the copy of the module in the blead sources is to be
           considered canonical, "cpan" means that the module on CPAN is to be patched first. "first-come"
           means that blead can be patched freely if it is in sync with the latest release on CPAN.

       %Module::CoreList::bug_tracker
           A hash that contains information on the appropriate bug tracker for each core module.

           BUGS is an email or url to post bug reports.  For modules with UPSTREAM => 'blead', use
           perl5-porters@perl.org.  rt.cpan.org appears to automatically provide a URL for CPAN modules; any
           value given here overrides the default:
           http://rt.cpan.org/Public/Dist/Display.html?Name=$ModuleName

CAVEATS
       Module::CoreList currently covers the 5.000, 5.001, 5.002, 5.003_07, 5.004, 5.004_05, 5.005,
       5.005_03, 5.005_04, 5.6.0, 5.6.1, 5.6.2, 5.7.3, 5.8.0, 5.8.1, 5.8.2, 5.8.3, 5.8.4, 5.8.5, 5.8.6,
       5.8.7, 5.8.8, 5.8.9, 5.9.0, 5.9.1, 5.9.2, 5.9.3, 5.9.4, 5.9.5, 5.10.0, 5.10.1, 5.11.0, 5.11.1,
       5.11.2, 5.11.3, 5.11.4, 5.11.5, 5.12.0, 5.12.1, 5.12.2, 5.12.3, 5.12.4, 5.12.5, 5.13.0, 5.13.1,
       5.13.2, 5.13.3, 5.13.4, 5.13.5, 5.13.6, 5.13.7, 5.13.8, 5.13.9, 5.13.10, 5.13.11, 5.14.0 and 5.14.1
       releases of perl.

HISTORY
       Moved to Changes file.

AUTHOR
       Richard Clamp <richardc@unixbeard.net>

       Currently maintained by the perl 5 porters <perl5-porters@perl.org>.

LICENSE
       Copyright (C) 2002-2009 Richard Clamp.  All Rights Reserved.

       This module is free software; you can redistribute it and/or modify it under the same terms as Perl
       itself.

SEE ALSO
       corelist, Module::Info, perl



perl v5.12.5                                     2012-11-09                            Module::CoreList(3pm)