bash command, get stdErr

[Tracubik]

Il Fri, 26 Aug 2011 01:20:02 -0700, Chris Rebert ha scritto:

> On Fri, Aug 26, 2011 at 12:56 AM, Tracubik <affdfsdfdsfsd at b.com> wrote:
>> Il Thu, 25 Aug 2011 01:52:25 -0700, Chris Rebert ha scritto:
>>> On Thu, Aug 25, 2011 at 1:25 AM, Tracubik <affdfsdfdsfsd at b.com> wrote:
>>>> Hi all!
>>
>> cut
>>
>>> Untested:
>>>
>>> from subprocess import Popen, PIPE sudo = Popen("sudo las",
>>> shell=True,
>>> stderr=PIPE)
>>> tee = Popen(["tee", "/dev/stderr"], stdin=sudo.stderr, stdout=PIPE)
>>> # Read from tee.stdout to get any error messages
>>>
>>> Further info: http://en.wikipedia.org/wiki/Tee_%28command%29
>>
>> mmm, it doesn't seem to work...
> 
> How so? Seems to work in an admittedly dirt simple test where I do
> tee.stdout.read().
> You might need to fiddle with buffering settings depending on how you're
> processing the output.

oh, yeah! now it work thanks!
don't really know why it wasn't working yesterday, i've retried today and 
it work very well :-D

MedeoTL