On Sun, 18 Mar 2001 05:22:07 +0900, Dave Thomas <Dave / PragmaticProgrammer.com> wrote: >Ron Jeffries <ronjeffries / acm.org> writes: >(or command /c type ... depending on what you're running) You can try >this from the command line to check. OK, I did content = IO.readlines(filenamestring) #where filenamestring is the name of the rb file, # e.g. button.rb eval content.join That goes into an infinite loop. I printed content and it is in fact the button.rb file, as one would expect. I am well and truly confused now. Has anyone ever made the Tk demo run in Windows 2000? Thanks, Ronald E Jeffries http://www.XProgramming.com http://www.objectmentor.com