This is a perfect candidate for an ST sort! 

#!/usr/bin/perl

use strict;
use warnings;

use HTTP::Date;  # needed for str2time

my %hash;

while(<DATA>) {
  my ($key,$value) = /(\S+) => (.*)$/;
  $hash{$key} = $value;
}

my @sorted_keys =
    map $_->[0] =>
      sort { $a->[1] cmp $b->[1] }
        map [ $_,

              # This is where we extract the value1
              # -- [0] in the array returned from
              # the split --, and convert it to
              # a time value to be used in the sort.

              str2time((split(/\|/,$hash{$_}))[0]) ]

          => keys %hash;

for my $key (@sorted_keys) {
  print "$key => $hash{$key}\n";
}

__DATA__
index.html => Mon Oct 11 00:08:11 2004|12963
screenshot.jpg => Sun Oct 10 13:18:30 2004|234997
legal.html => Mon Oct 11 12:57:03 2004|13448
stylesheet.css => Mon Oct 11 13:57:28 2004|697
about.html => Mon Oct 11 00:08:08 2004|13225
archive.html => Mon Oct 11 00:08:09 2004|12872
postinfo.html => Fri Oct 1 23:49:15 2004|2457
contact.shtml => Mon Oct 11 00:09:48 2004|11366
services.html => Mon Oct 11 00:08:17 2004|14256
metatags.pl => Mon Oct 11 14:05:44 2004|28668
tools.html => Mon Oct 11 15:35:47 2004|14632
robots.txt => Sat Oct 9 03:35:15 2004|73
_vti_inf.html => Fri Oct 1 23:49:15 2004|1754
report.shtml => Mon Oct 11 00:07:03 2004|11686

[download]

Hope this helped,
-v
"Perl. There is no substitute."

In reply to Re: sorting a split hash by Velaki
in thread sorting a split hash by coldfingertips

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