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Octave's popen2 function -- does it work?
From: |
Stuart Brorson |
Subject: |
Octave's popen2 function -- does it work? |
Date: |
Sat, 15 Apr 2006 15:05:52 -0400 (EDT) |
Hi --
I'm trying to use popen2 to open a pipe to another program, and then
send/receive commands from the other program. However, I haven't
gotten it to work.
I can receive (and print out) the opening spew from the other program,
but then when I try to send commands to the other program, and read
the results of my commands, I get nothing back.
Questions:
* Is "popen2" known to work? Or is it perhaps known to fail, but
stays in the Octave distro for historical reasons. (Yes, this happens
sometimes ...)
* Does anybody have an example they could share showing a working
example of popen2? The examples in the Octave docmuentation fail for
me.
* I am wondering if my problem has to do with the way I/O is
buffered and flushed from my other program. Do any of you Octave
gurus have insight into how one should implement a bidirectional pipe
in C++/unix?
Pointers to useful and informative websites would be very welcome.
Thanks!
Stuart
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