Greetings again,
A not so quick search pulled up
Text::Graph which might help get you part of the way there.
I would be interested to see what exactly you come up with in terms of your solution, Im sure there are people who would use it.
HTH.
-injunjoel
"I do not feel obliged to believe that the same God who endowed us with sense, reason and intellect has intended us to forego their use." -Galileo