If you want to play amusing games with this problem, you could implement a crude Radix Sort: 

require v5.8.0;
open INPUT, '<', '/path/to/the/file/where/the/data/are.stored';
my @line = <INPUT>; close INPUT;
for (reverse 8..13) {
   @line = sort {substr($a,$_,1) <=> substr($b,$_,1)} @line;
}
print @line;

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In reply to Re: Sorting a text file by jonadab
in thread Sorting a text file by rsriram

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