found this instead
[link|http://cosmos.phy.tufts.edu/~siemens/work.html|[link|http://cosmos.phy.tufts.edu/~siemens/work.html|http://cosmos.phy.t...ns/work.html]]
I know that some here have an aversion to strings but if they did exist these guys appear to be able to manipulate them.
thanx,
bill