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UNIX for Dummies Questions & Answers
Problems passing strings within an array
Post 302780075 by hungryd on Wednesday 13th of March 2013 07:10:35 PM
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Hi,
In directory "inoutfiles", I have folders fold0001, fold0002 and so on. Every folder has corresponding file file0001.txt, file0002.txt and so on. I want to perform a certain action on multiple files in one go. The cpp file is in the same directory as "inoutfiles".
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Hi,
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Good grief so this should be easy. Passing an array as an argument to a function. Here is the sample code:
#/bin/bash
function foo {
local p1=${1}
local p2=(${2})
local p3=${3}
echo p1 is $p1
echo p2 is $p2
echo p3 is $p3
}
d1=data1
d2=data2
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LEARN ABOUT CENTOS
perl::critic::policy::valuesandexpressions::prohibitinterpolatio
Perl::Critic::Policy::ValuesAndExpressions::ProhibitInteUseraContribPerl::Critic::Policy::ValuesAndExpressions::ProhibitInterpolationOfLiterals(3) NAME
Perl::Critic::Policy::ValuesAndExpressions::ProhibitInterpolationOfLiterals - Always use single quotes for literal strings. AFFILIATION
This Policy is part of the core Perl::Critic distribution. DESCRIPTION
Don't use double-quotes or "qq//" if your string doesn't require interpolation. This saves the interpreter a bit of work and it lets the reader know that you really did intend the string to be literal. print "foobar"; #not ok print 'foobar'; #ok print qq/foobar/; #not ok print q/foobar/; #ok print "$foobar"; #ok print "foobar "; #ok print qq/$foobar/; #ok print qq/foobar /; #ok print qq{$foobar}; #preferred print qq{foobar }; #preferred Use of double-quotes might be reasonable if the string contains single quote (') characters: print "it's me"; # ok, if configuration flag set CONFIGURATION
The types of quoting styles to exempt from this policy can be configured via the "allow" option. This must be a whitespace-delimited combination of some or all of the following styles: "qq{}", "qq()", "qq[]", and "qq//". This is useful because some folks have configured their editor to apply special syntax highlighting within certain styles of quotes. For example, you can tweak "vim" to use SQL highlighting for everything that appears within "qq{}" or "qq[]" quotes. But if those strings are literal, Perl::Critic will complain. To prevent this, put the following in your .perlcriticrc file: [ValuesAndExpressions::ProhibitInterpolationOfLiterals] allow = qq{} qq[] The flag "allow_if_string_contains_single_quote" permits double-quoted strings if the string contains a single quote (') character. It defaults to off; to turn it on put the following in your .perlcriticrc file: [ValuesAndExpressions::ProhibitInterpolationOfLiterals] allow_if_string_contains_single_quote = 1 SEE ALSO
Perl::Critic::Policy::ValuesAndExpressions::RequireInterpolationOfMetachars 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 Perl::Critic::Policy::ValuesAndExpressions::ProhibitInterpolationOfLiterals(3)