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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 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 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 )"
           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 )"
           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 and 5.13.0
       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>.

COPYRIGHT
       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 v5.12.1                      2010-05-13             Module::CoreList(3pm)
 

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