external/bsd/nvi/docs/USD.doc/vi.ref/merge.awk

   1 #       $NetBSD: merge.awk,v 1.1 2013/11/22 16:00:45 christos 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 }
  16 END {
  17         printf "\n"
  18 }