From help-request at octave dot org Fri Mar 18 01:50:39 2005
Subject: Re: Unclearable global variables?
From: pkienzle at comcast dot net
To: Jean-Francois Cardoso <cardoso at tsi dot enst dot fr>, help@octave.org
Date: Fri, 18 Mar 2005 07:55:53 +0000

The following should work but I haven't tested it:

function r=var(x)
  mlock
  persistent z = 'default';
  if nargin, z=x; end
  r = z;
end


You can reference it as if it were a variable, e.g., 

    y = var;

but to set it to a new value you need to do

    var('value')

- Paul


> 
> Is there a way to mark a global variable "unclearable" ?  
> 
> I am developping a toolbox.  Some aspects of it are controlled by a
> few global variables.  Issuing a "clear" command, well, clears them.
> And annoys me.
> 
> TIA,
> JFC.
> 
> 
> 
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Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
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