[Tutor] Logging stdout and stderr
Hugo González Monteverde
hugonz-lists at h-lab.net
Sat Jun 18 05:27:44 CEST 2005
Hi,
Why don't you print it while you get it..?
import os, sys
logfile = open("logfile.txt", "r")
input, output = os.popen2("your command")
while True:
temp = output.read(1) #or whatever fits you, more bytes is faster
if not temp: //EOF reached
break
logfile.write(temp)
sys.stdout.write(temp)
Connor.Smith at huntington.com wrote:
>
> Hi there -
>
> I'm trying to log the results of a command that I'm running via the
> popen2 module to a file, while at the same time displaying its progress
> on the screen. So, at the end of the run, I should have the entire
> output (stdout and stderr) on the screen, but also have two file objects
> each with the contents of one of stdout and stderr. I can figure out
> how to write the results to a file, and then process or log it, but what
> I can't do is figure out a way to simultaneously display it to the
> screen, kind of like how unix's "tee" utility works.
>
> Can anyone help?
>
> -Cs
>
>
> ------------------------------------------------------------------------
>
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