1#!/bin/rc 2for (x in spec tag aux status) { 3 grep ' '^$x^' ' $1 > junk1 4 sort +4 -5 +3n -4 junk1 > junk2 5 awk '{if ($5 != prev) print $0; prev = $5}' junk2 > junk3 6 sort -n +2 -3 junk3 > need$x 7 rm junk* 8} 9