/ 
Perl-PrereqScanner-1.100
River stage three • 23 direct dependents • 747 total dependents
/ Perl::PrereqScanner::Scanner::Perl5

NAME

Perl::PrereqScanner::Scanner::Perl5 - scan for core Perl 5 language indicators of required modules

VERSION

version 1.100

DESCRIPTION

This scanner will look for the following indicators:

  • plain lines beginning with use, require, or no in your perl modules and scripts, including minimum perl version

  • regular inheritance declared with the base and parent pragmata

Since Perl does not allow you to supply a version requirement with a require statement, the scanner will check the statement after the require Module to see if it is Module->VERSION( minimum_version );.

In order to provide a minimum version, that method call must meet the following requirements:

  • it must be the very next statement after require Module. Nothing can separate them but whitespace and comments (and one semicolon).

  • Module must be a bareword, and match the require exactly.

  • minimum_version must be a literal number, v-string, or single-quoted string. Double quotes are not allowed.

PERL VERSION

This library should run on perls released even a long time ago. It should work on any version of perl released in the last five years.

Although it may work on older versions of perl, no guarantee is made that the minimum required version will not be increased. The version may be increased for any reason, and there is no promise that patches will be accepted to lower the minimum required perl.

AUTHORS

  • Jerome Quelin

  • Ricardo Signes <cpan@semiotic.systems>

COPYRIGHT AND LICENSE

This software is copyright (c) 2009 by Jerome Quelin.

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