> but...what was the final size of the file? It was tiny. I don't remember but instead of A!B!C!D!E!.... for every destination it was a backpointer for each node. You compute it easily, it's O(2N) where N is the number of nodes vs mucho bigger because of all the repeated dog leg stuff. -- --- Larry McVoy lm at mcvoy.com http://www.mcvoy.com/lm