man > CPAN::Meta::Validator

📛NAME

CPAN::Meta::Validator - validate CPAN distribution metadata structures

🚀Quick Reference

🏷️VERSION

version 2.150010

📋SYNOPSIS

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

  my $cmv = CPAN::Meta::Validator->new( $struct );

  unless ( $cmv->is_valid ) {
    my $msg = "Invalid META structure.  Errors found:\n";
    $msg .= join( "\n", $cmv->errors );
    die $msg;
  }

Note: The link in the code block is preserved from the original man page but is not part of the executable code — copy only the plain text for actual use.

📖DESCRIPTION

This module validates a CPAN Meta structure against the version of the the specification claimed in the "meta-spec" field of the structure.

⚙️METHODS

🔧new

  my $cmv = CPAN::Meta::Validator->new( $struct )

The constructor must be passed a metadata structure.

✅is_valid

  if ( $cmv->is_valid ) {
    ...
  }

Returns a boolean value indicating whether the metadata provided is valid.

❌errors

  warn( join "\n", $cmv->errors );

Returns a list of errors seen during validation.

🐛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>
• Adam Kennedy <adamk@cpan.org>

📄COPYRIGHT AND LICENSE

This software is copyright (c) 2010 by David Golden, Ricardo Signes, Adam Kennedy and Contributors.

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 v5.34.0 — 2026-06-23