[Tutor] opening a pipe?
Poor Yorick
org.python.tutor at pooryorick.com
Tue Feb 12 19:48:45 CET 2008
> From: James Hartley <>
> Subject: [Tutor] opening a pipe?
> Sent: 2008-02-12 09:24
>
> A Perl script can easily serve as a filter within a pipe as seen in
> the following:
>
> use strict;
> use warnings;
>
> open(IN, 'cat hello.txt |') or die 'unable to open file';
> while (<IN>) {
> print;
> }
> close(IN);
>
> Can I do the same within Python? Thanks.
>
os.popen can do this. The 'commands' module provides even more flexibility. If you are on a posix platform and want to avoid shell interpretation, you could also try my pipeline package at
http://pypi.python.org/pypi/pipeline.py/0.1
--
Yorick
"Our servers are using too much electricity. We need to virtualize."
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