Hi Monks, I'm trying to sort this kind of list: 
a1_2 a1_1 a10_10 a2_10 a2_1 a2_2 a10_1 a10_2 a1_10

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It should come out: 
a1_1 a1_2 a1_10 a2_1 a2_2 a2_10 a10_1 a10_2 a10_10

[download]
I tried the code below (with various options) with no success. It keeps putting x_10 before x_2. The sort should be done both alphabetically and numerically for every segment. The sort code: 
use strict;
use warnings;

open(INPUTFILE, "< ccc");
my @list = <INPUTFILE>;
my $newlist=$list[0].$list[1].$list[2];
my @split_list = split(" " ,$newlist);

my @new_list = sort {
  
   ($a =~ /(\d+)/)[0] <=> ($b =~ /(\d+)/)[0] 
                    ||
   ($a =~ /(\w+)/)[0] cmp ($b =~ /(\w+)/)[0]
              
} @split_list;

print "@new_list\n";

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Thanks! Erez.

In reply to Sort problems by erez_ez

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