>----Messaggio originale----
>Da: jarod...@libero.it
>Data: 08/09/2014 18.15
>A: <tutor-requ...@python.org>
>Ogg: how to be sure the process are ended
>
>Dear all!!
>I want to use subprocess for run some programs But I need to be sure the
>program end before continue with the other:
>
>subprocess.call("ls")
> cmd1 = i
> p1 =
> subprocess.Popen(cmd1,shell=True,stdout=subprocess.PIPE)
>
> while True:
> if p1.poll() is
> None:
>
> time.sleep(3)
>
> pass
> if p1.poll()==0:
> print
> '#'
> break
> if p1.poll() is
> not None and p1.poll() != 0:
> raise
> Exception('Error building Alignment using star with hg19
>database')
>
>
>
>This are not working. How can I do?
>thanks in advance for the precious help
>bw,
>
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