1 aa83d772 2004-05-17 devnull # range.sort
2 aa83d772 2004-05-17 devnull #   Input/Output: string (tab) ["b"|"e"|"a"] (tab) number
3 aa83d772 2004-05-17 devnull #   Sort by $1 (string), $3 (number), then $2 ("b"|"e"|"a")
4 aa83d772 2004-05-17 devnull 
5 aa83d772 2004-05-17 devnull sort -u '-t	' +0 -1   +2n   +1 -2   $*