On Tue, 16 Jun 2009 23:20:05 +0200 Piet van Oostrum <p...@cs.uu.nl> wrote:
> >>>>> Matt <hellzfury+pyt...@gmail.com> (M) wrote: > > >M> Try replacing: > >M> cmd = [ "ls /path/to/file/"+staname+"_info.pf" ] > >M> with: > >M> cmd = [ “ls”, “/path/to/file/"+staname+"_info.pf" ] > > In addition I would like to remark that -- if the only thing you want > to do is to start up a new command with subprocess.Popen -- the use > of the multiprocessing package is overkill. You could use threads as > well. > > Moreover, if you don't expect any output from these processes and > don't supply input to them through pipes there isn't even a need for > these threads. You could just use os.wait() to wait for a child to > finish and then start a new process if necessary. And even if there is need to read/write data from/to the pipes more than once (aka communicate), using threads or any more python subprocesses seem like hammering a nail with sledgehammer - just _read_ or _write_ to pipes asynchronously. -- Mike Kazantsev // fraggod.net -- http://mail.python.org/mailman/listinfo/python-list
