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Problem using Octave and gnuplot in Windows

From: John W. Eaton
Subject: Problem using Octave and gnuplot in Windows
Date: Wed, 12 May 1999 12:42:46 -0500 (CDT)

On 20-Apr-1999, ERIKSSON ANDERS <address@hidden> wrote:

| there seems to be a problem when running Octave 2.0.13 and  
| gnuplot 3.7 on Windows'98.
| The following command sequence works as it should:
| octave>    a = rand (100,1)
| octave>    a
| Octave displays the column vector in browsing (less) mode and the Octave 
| returns when I hit the q key.
| However, the following sequence will cause Octave to hang:
| octave>    a = rand (100,1)
| octave>    gplot (a)
| octave>    a
| gnuplot works perfectly, but when the last command displays the "a" vector, 
| and Octave goes into browsing mode, it will hang when I try to exit 
| this mode.. The Octave prompt does not return, regardless how I try to quit 
the browsing 
| mode using the q key or ctrl-C. 
| The problem seems to be related to the pipe-gnuplot process. If I kill this 
| process after the gplot command, before going into the browsing mode, 
| the browsing mode will work. 
| Likewise, if I use the closeplot command after the gplot command, 
| the browsing will work. But these work-arounds are rather inconvenient. 
| Any suggestions for a solution?
| I have made the installation according to the instructions in 
| I use the following binaries:
| octave-2.0.13-i386-pc-cygwin32
| less-gnu-win32
| pipe-gnuplot
| cdk
| They are all the current versions from

So you are using the cygwin b19 library?  I wonder if this problem is
solved by the b20 library.  Can anyone else who is using Octave on a
Windows platform reproduce the bug, or confirm that it is not present
with some other version of Windows (95, NT) or with a newer version of
the cygwin libraries?

I no longer have easy access to a system running any version of
Windows, so I can't debug this problem.



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