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  1. or download this
    use strict;
    use forks;
    ...
    print "$_: $hash{ $_ }\n" for( sort { $a <=> $b } keys %hash );
    print "Elapsed: " . (time - $t) . "\n";
    exit 0;
    
  2. or download this
    use strict;
    my $t = time;
    ...
    print "$_: $hash{ $_ }\n" for( sort { $a <=> $b } keys %hash );
    print "Elapsed: " . (time - $t) . "\n";
    exit 0;