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Shell Programming and Scripting
grep -w Search for the expression as a word
Post 302183565 by knijjar on Wednesday 9th of April 2008 11:36:29 AM
04-09-2008
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LEARN ABOUT CENTOS
perl::critic::policy::builtinfunctions::prohibitcomplexmappings
Perl::Critic::Policy::BuiltinFunctions::ProhibitComplexMUsernContributed Perl DoPerl::Critic::Policy::BuiltinFunctions::ProhibitComplexMappings(3) NAME
Perl::Critic::Policy::BuiltinFunctions::ProhibitComplexMappings - Map blocks should have a single statement. AFFILIATION
This Policy is part of the core Perl::Critic distribution. DESCRIPTION
The map function can be confusing to novices in the best of circumstances. Mappings with multiple statements are even worse. They're also a maintainer's nightmare because any added complexity decreases readability precipitously. Why? Because map is traditionally a one-liner converting one array to another. Trying to cram lots of functionality into a one-liner is a bad idea in general. The best solutions to a complex mapping are: 1) write a subroutine that performs the manipulation and call that from map; 2) rewrite the map as a for loop. CAVEATS
This policy currently misses some compound statements inside of the map. For example, the following code incorrectly does not trigger a violation: map { do { foo(); bar() } } @list CONFIGURATION
By default this policy flags any mappings with more than one statement. While we do not recommend it, you can increase this limit as follows in a .perlcriticrc file: [BuiltinFunctions::ProhibitComplexMappings] max_statements = 2 AUTHOR
Chris Dolan <cdolan@cpan.org> CREDITS
Initial development of this policy was supported by a grant from the Perl Foundation. COPYRIGHT
Copyright (c) 2007-2011 Chris Dolan. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.16.3 2014-06-09 Perl::Critic::Policy::BuiltinFunctions::ProhibitComplexMappings(3)