Wayne> (2) When I do such a call, does execution within the Python >script wait for the > exe to finish or does it spawn a new threat for the exe and move on? try this: cmd=os.popen(call) list=cmd.readlines() result=cmd.close() list contains the output of the call; result means waits for end cheers james Sent via Deja.com http://www.deja.com/