On Jan 28, 2005, at 9:57 AM, Curt Sampson wrote: > Worse yet, not only can Ruby not figure out earlier on that there's > a problem in any case whatsoever, but even when I can tell it how to > figure out that there's a problem, Ruby can't do anything with that > information. agreed. if you give me a short script and an explicit example and a week or two then i'll have a short specific solution for you. feel free to generalize the solution ;) i've wanted to do this for a while anyway. Alex