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Manual Reference Pages  -  PERL::CRITIC::POLICY::BUILTINFUNCTIONS::PROHIBITSTRINGYSPLIT (3)

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NAME

Perl::Critic::Policy::BuiltinFunctions::ProhibitStringySplit - Write "split /-/, $string" instead of "split -, $string".

CONTENTS

AFFILIATION

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

DESCRIPTION

The split function always interprets the PATTERN argument as a regular expression, even if you specify it as a string. This causes much confusion if the string contains regex metacharacters. So for clarity, always express the PATTERN argument as a regex.



    $string = Fred|Barney;
    @names = split |, $string; #not ok, is (F, r, e, d, |, B, a ...)
    @names = split m/[|]/, $string; #ok, is (Fred, Barney)



When the PATTERN is a single space the split function has special behavior, so Perl::Critic forgives that usage. See "perldoc -f split" for more information.

CONFIGURATION

This Policy is not configurable except for the standard options.

SEE ALSO

Perl::Critic::Policy::ControlStrucutres::RequireBlockGrep

Perl::Critic::Policy::ControlStrucutres::RequireBlockMap

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.

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perl v5.20.3 PERL::CRITIC::POLICY::BUILTINFUNCTIONS::PROHIBITSTRINGYSPLIT (3) 2016-04-03

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