1# $OpenBSD: merge.awk,v 1.3 2001/01/29 01:58:35 niklas Exp $ 2 3# @(#)merge.awk 8.3 (Berkeley) 5/25/94 4# 5# merge index entries into one line per label 6$1 == prev { 7 printf ", %s", $2; 8 next; 9} 10{ 11 if (NR != 1) 12 printf "\n"; 13 printf "%s \t%s", $1, $2; 14 prev = $1; 15} 16END { 17 printf "\n" 18} 19