How to disable output messages of the child process, in spawnv( )?
Grant Edwards
grante at visi.com
Wed Jul 23 15:11:05 EDT 2003
In article <db3b6d24.0307231050.74d41e66 at posting.google.com>, nushin wrote:
> I'd like to disable the output of the process spawned by spawnv( )
> API, but the catch is that i *have to* see the output of the parent
> process making the spawnv( ) call. Has anyone done that? I have some
> pointers that by using dup2( ) API i might be able to do that, any
> ideas how? Also, i have to spawn as an asynch call, using P_NOWAIT,
> e.g.,:
>
> os.spawnv(os.P_NOWAIT,'/usr/bin/python',('python','hello.py'),('>/dev/null &'))
Nope.
The ">" and "&" are things that a shell (like bash or ksh)
handles. The python interpreter has no idea what to do with
them. If you want to use ">" and "&", then spawn a shell, and
pass it a command to run the python program with output
redirected.
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