popen exit status
pedro_rodriguez at club-internet.fr
Mon Jan 28 13:45:19 EST 2002
"david" <me at here.com> wrote:
> the documentation says that popen returns the error code, or 'None', of
> the shell process. this code however always returns '1' even though the
> command operates fine.
> f=os.popen("ls /dev/loop*")
> loopdevices = f.read()
> if not f.close() == 'None': #fails on <>0: also
> raise Exception, "couldn't find any loop devices."
Remove the quotes around None. Like in :
if f.close() is not None:
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