24 Mar 2021 03:09:35 UTC
- Distribution: Perl-Critic
- Module version: 1.140
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- License: perl_5
- Perl: v5.6.1
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- Latest version++ed by:54 non-PAUSE usersPETDANCE Andy Lesterand 1 contributors
- Jeffrey Thalhammer
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Perl::Critic::Policy::Modules::RequireBarewordIncludes - Write
require Moduleinstead of
This Policy is part of the core Perl::Critic distribution.
When including another module (or library) via the
usestatements, it is best to identify the module (or library) using a bareword rather than an explicit path. This is because paths are usually not portable from one machine to another. Also, Perl automatically assumes that the filename ends in '.pm' when the library is expressed as a bareword. So as a side-effect, this Policy encourages people to write '*.pm' modules instead of the old-school '*.pl' libraries.
use 'My/Perl/Module.pm'; #not ok use My::Perl::Module; #ok
This Policy is not configurable except for the standard options.
This Policy is a replacement for
ProhibitRequireStatements, which completely banned the use of
requirefor the sake of eliminating the old '*.pl' libraries from Perl4. Upon further consideration, I realized that
requireis quite useful and necessary to enable run-time loading. Thus,
RequireBarewordIncludesdoes allow you to use
require, but still encourages you to write '*.pm' modules.
Sometimes, you may want to load modules at run-time, but you don't know at design-time exactly which module you will need to load (Perl::Critic is an example of this). In that case, just attach the
'## no critic'annotation like so:
require $module_name; ## no critic
Chris Dolan <email@example.com> was instrumental in identifying the correct motivation for and behavior of this Policy. Thanks Chris.
Jeffrey Ryan Thalhammer <firstname.lastname@example.org>
Copyright (c) 2005-2011 Imaginative Software Systems. All rights reserved.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of this license can be found in the LICENSE file included with this module.