newbie pipes question
teo
teo at crepido.com
Thu Jul 26 07:25:45 EDT 2001
David Lees <DavidLnospammy at raqia.com> wrote in message news:<3B58494D.C82965AD at raqia.com>...
> I am running under redhat 7.1 with python 2.1 and want to have python
> process the output of a perl script.
>
> I execute the perl script from python as:
>
> os.system("regex2.pl -o junky 'birds'")
>
> and the output goes to my screen, presumably stdout.
>
> I can redirect the output to a temporary file and read it pack into
> python, but the right way would seem to be pipes. Can someone tell me
> how to do this? I tried the following, which does not work, because it
> seems to hang on the os.read statement:
>
> r,w=os.pipe()
> os.system("regex2.pl -o junky 'birds'")
> x=os.read(r,100)
> print x
>
> Thanks in advance,
>
> david lees
Try this instead:
pipe = os.popen("regex2.pl -o junky 'birds'")
for line in pipe.readlines()
print line
/teo
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