how to "spawn" an external cmd and catch its stdin,stdout,stderr

[Fredrik Lundh]

Tom Vrankar <no at spam.net> wrote:
> If you don't like the side-effects of os.system() on Windows, try instead the 
> Windows-specific function os.spawnv (flag, program_path, argv), where the 
> undocumented flag =0 for blocking behavior, and flag =1 for asynchronous 
> behavior.

or, in other words, os.P_WAIT or os.P_NOWAIT.
(as mentioned in the library reference).

</F>

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