support/cat-s

   1 # This awk script is called from within Makefile to strip multiple blank
   2 # lines from stdin.
   3 BEGIN { newlines = 0 }
   4 {
   5   if (NF == 0)
   6     newlines = 1;
   7   else
   8     {
   9       if (newlines)
  10         {
  11           printf "\n";
  12           newlines = 0;
  13         }
  14       print $0;
  15     }
  16 }