awk problem two lines in the same line Post: 302795829

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perl::critic::policy::controlstructures::prohibitunlessblocks

Perl::Critic::Policy::ControlStructures::ProhibitUnlessBUsersContributed Perl DoPerl::Critic::Policy::ControlStructures::ProhibitUnlessBlocks(3pm)

NAME

       Perl::Critic::Policy::ControlStructures::ProhibitUnlessBlocks - Write "if(! $condition)" instead of "unless($condition)".

AFFILIATION

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

DESCRIPTION

       Conway discourages using "unless" because it leads to double-negatives that are hard to understand.  Instead, reverse the logic and use
       "if".

	   unless($condition) { do_something() } #not ok
	   unless(! $no_flag) { do_something() } #really bad
	   if( ! $condition)  { do_something() } #ok

       This Policy only covers the block-form of "unless".  For the postfix variety, see "ProhibitPostfixControls".

CONFIGURATION

       This Policy is not configurable except for the standard options.

SEE ALSO

       Perl::Critic::Policy::ControlStructures::ProhibitPostfixControls

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::ControlStructures::ProhibitUnlessBlocks(3pm)