On Sun, 5 Nov 2006, Robert Dober wrote: > On 11/4/06, ara.t.howard / noaa.gov <ara.t.howard / noaa.gov> wrote: >> >> >> NAME >> <Ann snipped> > > > Looks great Ara as always. > I am using Popen7 very often (Linux only) it is the heart of many a webrick > code to administer my Linux Boxes via my Browser, I never had *any* > problems. (little data in the pipes for sure << 1MB) > But I'll definitely switch to this one looks so concise. > > Thx for your efforts. > > Robert ooops! i should have mentioned in the first message, but there's no need to switch from open4 if you're on a posix operating system - the main reason for this package is people wanting to write open4 style code that will be portable on windows, or windows users who need open4 semantics. basically, afaik, the popen4 module for windows has a fatal flaw which can/will cause hangs in some situations. open4, on *nix, will never cause hangs and systemu on windows or nix shouldn't either. summary: if you are on windows and need process control with pid, stderr, and stdout - or if you are trying to write unix/windows code that requires those things this is for you. otherwise i'd highly reccomend sticking with open4, the performance is better and the spawn method gives you everything systemu does and more with less overhead. sorry for any confustion - hopefully this has made it clear. kind regards. -a -- my religion is very simple. my religion is kindness. -- the dalai lama