I never considered defining functions as I go. That is a good idea. Previously I've just relied on readline. typeset is a new find. It might be good to have a

I never considered defining functions as I go. That is a good idea. Previously I've just relied on readline. typeset is a new find. It might be good to have a function, which when called by another function, generates a file name associated with the calling function's name, using mktemp. It could even add the calling function's name plus its arguments to a log file.