how to capture os.execvp into variable
Ben C
spamspam at spam.eggs
Wed Mar 29 17:40:51 EST 2006
On 2006-03-28, s99999999s2003 at yahoo.com <s99999999s2003 at yahoo.com> wrote:
> hi
> i am using this code to run a ps command in unix
>
> def run(program, *args):
> pid = os.fork()
> if not pid:
> os.execvp(program, (program,) + args)
> return os.wait()[0]
>
> run("ps", "-eo pid,ppid,args")
>
> It runs fine, but i wish to store the results into a variable....how
> can i do this ? I tried
> to put ret=os.execvp(program, (program,) + args) but ret has no value
> thanks
Do you mean you want the output of ps? That seems most likely. In that
case use os.popen.
p = os.popen("ps -eo pid,ppid,args")
output = p.read()
p.close()
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