Thanks Chris I now have things working using a version 3.4.3 it finds subprocess.DEVNULL just fine
*Jim Dodgen* On Sat, May 7, 2016 at 5:10 PM, Chris Angelico <ros...@gmail.com> wrote: > On Sun, May 8, 2016 at 9:54 AM, Jim Dodgen <j...@dodgen.us> wrote: > > The empty token is needed but useless, it is arg[0] most people just > repeat > > the program name > > Far from useless. It's how a process learns its own name, and yes, > repeating the image name is the most common way to provide that. > > > One other observation it looks as Popen behaves the same way as my fork > > exec would > > Indeed. In fact, I would strongly recommend never using an explicit > fork/exec from Python - always use subprocess or equivalent. On > non-Unix platforms, fork/exec may not be available, but subprocess can > use other methods of invoking programs. > > ChrisA > -- > https://mail.python.org/mailman/listinfo/python-list > -- https://mail.python.org/mailman/listinfo/python-list
