Dale Strickland-Clark wrote: > > In fact ,I can't get os.popen to work at all! As has been said many times before, os.popen() is 99% broken on Windows 95/98. The error you posted is typical for the situation. Rumor has it that it works on W2000... -- --Guido van Rossum (home page: http://www.python.org/~guido/)