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where is the prompt: 0,1,2?

From: Daniel Heiserer
Subject: where is the prompt: 0,1,2?
Date: Mon, 05 Mar 2001 13:18:21 +0100


where does the octave prompt come out?

I thought that it is on stdout (1).
But when I run octave like this, and then write some stuff like:
octave > tmp
cat tmp
GNU Octave, version 2.0.14 (mips-sgi-irix6.4).
Copyright (C) 1996, 1997, 1998, 1999 John W. Eaton.
This is free software with ABSOLUTELY NO WARRANTY.
For details, type `warranty'.

a =

  0.315864  0.086636  0.656885  0.107647
  0.304482  0.366489  0.413641  0.734519
  0.069920  0.615740  0.044747  0.280804
  0.754230  0.330850  0.924574  0.149772

ans = 24355
So the prompt neither appears on the terminal anymore
which is quite clear when it is on stdout(1), but
then it should be redirected into the file tmp.

So on which filedescriptor is the prompt?
Or does octave not output a prompt once it knows
eihter stdin/stdout are redirected somehow.
but can octave know that, and if how?

Mit freundlichen Gruessen
                                 Daniel Heiserer
Dipl.-Phys. Daniel Heiserer, BMW AG, Knorrstrasse 147, 80788 Muenchen
Abteilung EK-20
Tel.: 089-382-21187, Fax.: 089-382-42820
Lageplan Standort FIZ:

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