1 BEGIN			{ print "digraph map {"; }
2 /^. /			{ output_edge(); location = destination = ""; }
3 $1 == "location"	{ location = $2; }
4 $1 == "destination"	{ destination = $2; }
5 $1 == "prospect"	{ prospect = $2; }
6 END			{ output_edge(); print "}"; }
7 
8 function output_edge() {
9 	if (location && destination)
10 		print "\t" location " -> " destination;
11 	if (location && prospect)
12 		print "\t" location " -> " prospect " [style=dashed]";
13 }