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Top Forums Shell Programming and Scripting grep help, how do i rewrite this Post 302163282 by weezybaby on Thursday 31st of January 2008 01:39:50 PM
Old 01-31-2008
alright ll give it a try

Last edited by weezybaby; 01-31-2008 at 06:33 PM..
 

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Perl::Critic::Policy::BuiltinFunctions::ProhibitVoidGrepUser)Contributed Perl DocumenPerl::Critic::Policy::BuiltinFunctions::ProhibitVoidGrep(3pm)

NAME
Perl::Critic::Policy::BuiltinFunctions::ProhibitVoidGrep - Don't use "grep" in void contexts. AFFILIATION
This Policy is part of the core Perl::Critic distribution. DESCRIPTION
"map" and "grep" are intended to be pure functions, not mutators. If you want to iterate with side-effects, then you should use a proper "for" or "foreach" loop. grep{ print frobulate($_) } @list; #not ok print map{ frobulate($_) } @list; #ok grep{ $_ = lc $_ } @list; #not ok for( @list ){ $_ = lc $_ }; #ok map{ push @frobbed, frobulate($_) } @list; #not ok @frobbed = map { frobulate($_) } @list; #ok CONFIGURATION
This Policy is not configurable except for the standard options. AUTHOR
Jeffrey Ryan Thalhammer <jeff@imaginative-software.com> COPYRIGHT
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. perl v5.14.2 2012-06-07 Perl::Critic::Policy::BuiltinFunctions::ProhibitVoidGrep(3pm)
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