comando previo a subprocess

[Pau Cervera Badia]

Vale, grácias, justo lo que andaba buscando. ;-)

Juan Carlos Rodrigo wrote:
> # me gustaria trackear los pid de los subprocesos...
> import popen2, os
>
> def xsystem( cmd ):
>   worker = popen2.Popen4( cmd )
>   print worker.pid # PID
>   worker.tochild.close()
>   line = worker.fromchild.read()
>   while line:
>     print line
>     line = worker.fromchild.read()
>   return os.WEXITSTATUS( worker.wait() )
>
> if __name__ == "__main__":
>   assert xsystem("ls -l") == 0
>   assert xsystem("sleep 1") == 0
>
> # Saludos
>   
> ------------------------------------------------------------------------
>
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-- 
Pau Cervera i Badia (e-mail cervera en ffn.ub.es)
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