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Re: identifying arbitury patterns in multiple strings

by si_lence (Deacon)
on Aug 18, 2005 at 19:07 UTC ( #484935=note: print w/ replies, xml ) Need Help??


in reply to identifying arbitury patterns in multiple strings

Maybe not the most elegant solution (and I bet rather slow as well)
It finds the longest string that is at the start of every line in the
imput.

use warnings; use strict; my %ch; my $part; my $lines; while (<DATA>) { chomp; $part=""; map { $part .= $_; print $part."\n"; $ch{$part}++; } split (//); $lines ++; } my $max; foreach (keys (%ch) ) { if ( ($ch{$_} == $lines) and (length($_) > length($max)) ) { $max = $_; } } print $max; __DATA__ abcdefg abcd abcd grtf abcd abd abcd daf


si_lence


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