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Perl::Critic::Policy::Modules::ProhibitEvilModules.3pm

NAME

Perl::Critic::Policy::Modules::ProhibitEvilModules - Ban modules that aren't blessed by your shop.

AFFILIATION

This Policy is part of the core Perl::Critic distribution.

DESCRIPTION

Use this policy if you wish to prohibit the use of specific modules. These may be modules that you feel are deprecated, buggy, unsupported, insecure, or just don't like.

CONFIGURATION

The set of prohibited modules is configurable via the "modules" and "modules_file" options.

The value of "modules" should be a string of space-delimited, fully qualified module names and/or regular expressions. An example of prohibiting two specific modules in a .perlcriticrc file:

     [Modules::ProhibitEvilModules]
     modules = Getopt::Std Autoload
 
 

Regular expressions are identified by values beginning and ending with slashes. Any module with a name that matches "m/pattern/" will be forbidden. For example:

     [Modules::ProhibitEvilModules]
     modules = /Acme::/
 
 

would cause all modules that match "m/Acme::/" to be forbidden.

In addition, you can override the default message (``Prohibited module ''module`` used'') with your own, in order to give suggestions for alternative action. To do so, put your message in curly braces after the module name or regular expression. Like this:

     [Modules::ProhibitEvilModules]
     modules = Fatal {Found use of Fatal. Use autodie instead} /Acme::/ {We don't use joke modules}
 
 

Similarly, the "modules_file" option gives the name of a file containing specifications for prohibited modules. Only one module specification is allowed per line and comments start with an octothorp and run to end of line; no curly braces are necessary for delimiting messages:

     Evil     # Prohibit the "Evil" module and use the default message.
 
     # Prohibit the "Fatal" module and give a replacement message.
     Fatal Found use of Fatal. Use autodie instead.
 
     # Use a regular expression.
     /Acme::/     We don't use joke modules.
 
 

By default, there are no prohibited modules (although I can think of a few that should be).

NOTES

Note that this policy doesn't apply to pragmas.

AUTHOR

Jeffrey Ryan Thalhammer <thaljef@cpan.org>

COPYRIGHT

Copyright (c) 2005-2009 Jeffrey Ryan Thalhammer. 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.