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Top Forums Shell Programming and Scripting A better way to compare text length percentage? Post 303046093 by bedtime on Thursday 23rd of April 2020 02:47:52 PM
Old 04-23-2020
A better way to compare text length percentage?

I have a solution, but it seems labored. I would like to compare strings return a value in percent out of 100.


Such as:

Code:
$ text1='a'; text2='abc'; s1=${#text1}; s2=${#text2}
$ [ "$s1" -gt "$s2" ] && di=$(( (($s1*100) / ($s2+1)) )) || [ "$s2" -gt "$s1" ] && di=$(( (($s2*100) / ($ls+1)) ))
$ echo $di
300

i.e., 'abc' is 300% longer than 'a'


For beginners: s1=${#text1} will return the length of $text1. In this case it would return '1' because it is one character long ('a').


I've looked at the man pages for 'diff' and some others and haven't figured out an easy way that this could be done in a more simple manner; yet, something tells me I'm missing something. I'm repeating the formulas, and I'm wondering if there is perhaps some way to do an inverse of a result... Anyways, it seems redundant.


Ideas?
 

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Net::Sieve::Script::Condition(3pm)			User Contributed Perl Documentation			Net::Sieve::Script::Condition(3pm)

NAME
Net::Sieve::Script::Condition - parse and write conditions in sieve scripts SYNOPSIS
use Net::Sieve::Script::Condition; my $cond = Net::Sieve::Script::Condition->new('header'); $cond->match_type(':contains'); $cond->key_list('"[Test4]"'); $cond->header_list('"Subject"'); print $cond->write(); or my $cond = Net::Sieve::Script::Condition->new( 'anyof ( header :contains "Subject" "[Test]", header :contains "Subject" "[Test2]")' ); print $cond->write(); DESCRIPTION
Parse and write condition part of Sieve rules, see Net::Sieve::Script. Support RFC 5228, 5231 (relationnal) and regex draft CONSTRUCTOR
new Match and set accessors for each condition object in conditions tree, "test" is mandatory Internal id : id for condition, set by creation order condition : array of sub conditions parent : parent of sub condition AllConds : array of pointers for all conditions Condition parts not : 'not' or nothing test : 'header', 'address', 'exists', ... key_list : "subject" or ["To", "Cc"] header_list : "text" or ["text1", "text2"] address_part : ':all ', ':localpart ', ... match_type : ':is ', ':contains ', ... comparator : string part METHODS
equals Purpose : test conditions Return : 1 on equals conditions write Purpose : write rule conditions in text format Return : multi-line formated text AUTHOR
Yves Agostini CPAN ID: YVESAGO Univ Metz agostini@univ-metz.fr http://www.crium.univ-metz.fr COPYRIGHT
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.10.0 2008-09-15 Net::Sieve::Script::Condition(3pm)
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