Spawning Cmd Window via Subprocess

D dmcclouds at
Sun Oct 18 18:22:07 CEST 2009

On Oct 16, 5:26 pm, TerryP <bigboss1... at> wrote:
> On Oct 16, 8:15 pm, D <dmcclo... at> wrote:
> > Hello,
> > I would like to be able to spawn a new CMD window (specifing size,
> > color and placement of the window),  and write to it separately.
> > Specifically, I have a backup program that displays each file backed
> > up in the main window, and I would like to spawn and continually
> > update a second CMD window that will display the current status (i.e.
> > number of files backed up, amount of data backed up).  Also, I only
> > want to display the update messages, don't want to display any command
> > prompts.  I'm thinking I should be able to do this using subprocess,
> > but I haven't been able to find out how.  Any help would be greatly
> > appreciated!
> you'll likely want to fiddle with subprocess.Popen with the arguments
> set to suitable values to invoke a cmd window and establish pipes for
> communication; see the documentation. If that doesn't work, it would
> probably be time to muck with the Windows API.

Thanks, TerryP..I briefly played around with subprocess.Popen, but so
far no luck (certainly not to say I haven't missed something).  You
could be right that the Win API is needed.. I try to avoid whenever
possible though. :)

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