emulating `` shell operator in Python?

[Richard Gruet]

Thank U, it works. In fact, I've already tried popen() one year ago, but
it behaved strangely on Windows (or I misused it). Now, everything looks
OK.

Adrian Eyre wrote:

> > - But the really tricky case is to catch in a string the output of a
> > *shell* command, such as os.system('ls').
> > The above strategy doesnt work because the command executes in a
> > sub-shell (external to python) with its own stdout and stderr.
>
> import os
>
> f = os.popen("ls", "r")
> s = f.read()
> f.close()
> print s

Richard
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