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Yeah, that's the problem I discussed elsewhere. Here's a simple fix:

#!/usr/bin/perl -w use strict; my @h = ( qw( psapp1 psapp psapp2 psepapp1 psepapp psepapp2 psimgprod pspappuat pswebapp2 pswebapp ) ); my @h_sorted = @h[ map { unpack "N", substr($_,-4) } sort map { my $key = $h[$_]; $key =~ s[(\d+)][ pack "N", $1 ]ge; $key . pack "CNN", 0, 0, $_ } 0..$#h ]; foreach (@h_sorted) { print "$_\n"; };

This inserts 5 nul bytes which prevents the problem. 1 nul byte is enough to fix this specific case. 4 fixes all cases except for the possibility of "x0" sorting before "x". 5 fixes all cases (provided you don't have nul bytes in your strings).

- tye        

In reply to Re^4: [ Natural Sort ]: Sorting a string with numbers (fix) by tye
in thread [ Natural Sort ]: Sorting a string with numbers by zzspectrez

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