CPAN::Meta::Converter man page on Oracle

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CPAN::Meta::Converter(User Contributed Perl DocumentatCPAN::Meta::Converter(3)

NAME
       CPAN::Meta::Converter - Convert CPAN distribution metadata structures

VERSION
       version 2.120921

SYNOPSIS
	 my $struct = decode_json_file('META.json');

	 my $cmc = CPAN::Meta::Converter->new( $struct );

	 my $new_struct = $cmc->convert( version => "2" );

DESCRIPTION
       This module converts CPAN Meta structures from one form to another.
       The primary use is to convert older structures to the most modern
       version of the specification, but other transformations may be
       implemented in the future as needed.  (E.g. stripping all custom fields
       or stripping all optional fields.)

METHODS
   new
	 my $cmc = CPAN::Meta::Converter->new( $struct );

       The constructor should be passed a valid metadata structure but invalid
       structures are accepted.	 If no meta-spec version is provided, version
       1.0 will be assumed.

   convert
	 my $new_struct = $cmc->convert( version => "2" );

       Returns a new hash reference with the metadata converted to a different
       form.  "convert" will die if any conversion/standardization still
       results in an invalid structure.

       Valid parameters include:

       ·   "version" -- Indicates the desired specification version (e.g.
	   "1.0", "1.1" ... "1.4", "2").  Defaults to the latest version of
	   the CPAN Meta Spec.

       Conversion proceeds through each version in turn.  For example, a
       version 1.2 structure might be converted to 1.3 then 1.4 then finally
       to version 2. The conversion process attempts to clean-up simple errors
       and standardize data.  For example, if "author" is given as a scalar,
       it will converted to an array reference containing the item.
       (Converting a structure to its own version will also clean-up and
       standardize.)

       When data are cleaned and standardized, missing or invalid fields will
       be replaced with sensible defaults when possible.  This may be lossy or
       imprecise.  For example, some badly structured META.yml files on CPAN
       have prerequisite modules listed as both keys and values:

	 requires => { 'Foo::Bar' => 'Bam::Baz' }

       These would be split and each converted to a prerequisite with a
       minimum version of zero.

       When some mandatory fields are missing or invalid, the conversion will
       attempt to provide a sensible default or will fill them with a value of
       'unknown'.  For example a missing or unrecognized "license" field will
       result in a "license" field of 'unknown'.  Fields that may get an
       'unknown' include:

       ·   abstract

       ·   author

       ·   license

BUGS
       Please report any bugs or feature using the CPAN Request Tracker.  Bugs
       can be submitted through the web interface at
       <http://rt.cpan.org/Dist/Display.html?Queue=CPAN-Meta>

       When submitting a bug or request, please include a test-file or a patch
       to an existing test-file that illustrates the bug or desired feature.

AUTHORS
       ·   David Golden <dagolden@cpan.org>

       ·   Ricardo Signes <rjbs@cpan.org>

COPYRIGHT AND LICENSE
       This software is copyright (c) 2010 by David Golden and Ricardo Signes.

       This is free software; you can redistribute it and/or modify it under
       the same terms as the Perl 5 programming language system itself.

perl v5.16.3			  2012-04-01	      CPAN::Meta::Converter(3)
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