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Re: 5th anniversary of buggy system/popepn/popen2


From: Miroslaw Kwasniak
Subject: Re: 5th anniversary of buggy system/popepn/popen2
Date: Tue, 16 Nov 2004 20:18:37 +0100
User-agent: Mutt/1.5.6+20040907i

On Tue, Nov 16, 2004 at 09:31:36AM -0700, Dmitri A. Sergatskov wrote:
> For what it worth: I have never seen any problems with ls, not before (back 
> with
> RedHat 9) not now (Fedora Core 3). Mirek's test just keeps on printing 
> dots...

I didn't observed until David pointed on it :)
How long sequence of dots you've seen. I had sometimes >100 and at another run
only 2.

It's may be related to libraries (Debian sarge has mach older) or hardware.
Can you say about your machine: CPU, memory size?

> I do have problems with another Mirek's test (with popen/popen2).
> When it finishes it gives the following result:
> 
> 
> 21   1   2   3   4
>  1   0   0  21   0
>  2   0   0  21   0

Like in my ugly hack.

> Sometimes it just dies half-way through (returns to octave prompt) and does 
> not
> give the final "report" output.

Can you provide at which poit it crashes?

A try if pause works with popen2:

  [i,o,p]=popen2('/bin/ls'); pause(5), 1

on my comp it display 1 without a delay :(


Mirek



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