Trouble with popen2

[Albert Hofkamp]

On Mon, 27 Sep 2004 15:27:56 -0400, Rembrandt Q Einstein <hercules.rockefeller at springfield.??.us> wrote:
>> The challenge is to write a program that will run this one in a 
>> subprocess and read all of both stderr and stdout.
> 
> Ah--despite my new nick, I am an idiot.  I should just use select() on 
> fromchild and childerr.  Something like this:
> 
> while f.poll() == -1:
>    select([], [f.fromchild, f.childerr],[], 0)
>      blah
> 
> However, I think I might still miss some data this way.

Nope, this should work, assuming that you catch the output of select,
and act accordingly.
(at least, that is my experience)

Not sure why you need the f.poll() though, I think you can do without.



Maybe an extension to the documentation of popen would be in order, this
post pops up quite often here.

-- 
Albert
-- 
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