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Top Forums Shell Programming and Scripting Change indentation in scripts Post 302779953 by Chubler_XL on Wednesday 13th of March 2013 02:29:57 PM
Old 03-13-2013
Quote:
Originally Posted by MadeInGermany
so very deeply nested stuff still fits on my screen.
Yikes, if stuff is that deeply nested the programming gods are telling you it's time for some functions and/or simplification.

I worked for a software house where one of their programming rules was all functions must exit at the bottom (no returning in the middle) and a lot of their code ended up with huge nested levels, as each validation you did pushed everything else over 1 more indent.
 

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Perl::Critic::Policy::ControlStructures::ProhibitDeepNesUser)Contributed Perl DocumenPerl::Critic::Policy::ControlStructures::ProhibitDeepNests(3)

NAME
Perl::Critic::Policy::ControlStructures::ProhibitDeepNests - Don't write deeply nested loops and conditionals. AFFILIATION
This Policy is part of the core Perl::Critic distribution. DESCRIPTION
Deeply nested code is often hard to understand and may be a sign that it needs to be refactored. There are several good books on how to refactor code. I like Martin Fowler's "Refactoring: Improving The Design of Existing Code". CONFIGURATION
The maximum number of nested control structures can be configured via a value for "max_nests" in a .perlcriticrc file. Each for-loop, if- else, while, and until block is counted as one nest. Postfix forms of these constructs are not counted. The default maximum is 5. Customization in a .perlcriticrc file looks like this: [ControlStructures::ProhibitDeepNests] max_nests = 3 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 v5.16.3 2014-06-09 Perl::Critic::Policy::ControlStructures::ProhibitDeepNests(3)
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