From help-octave-request at bevo dot che dot wisc dot edu Wed Dec 19 13:08:36 2001
Subject: Re: Is there an Octave equivalent to the Matlab ASSIGNIN function?
From: Paul Kienzle <pkienzle at jazz dot ncnr dot nist dot gov>
To: =?iso-8859-1?Q?P=E5l_Frenger?= <pal dot frenger at era dot ericsson dot se>,    help-octave@bevo.che.wisc.edu
Date: Wed, 19 Dec 2001 14:08:29 -0500

It should be possible to write assignin('base',n,V) as a .cc file by adding
or modifying the variable in top_level_sym_tab.  Alternatively, you could use
	eval(['global ', n, '; ', n, '=V;'])
but you will need to define the variable as global in the top level context
to access it.

There is no way to write assignin('caller',...) without modifying the
octave interpreter.  To get the effect of assignin('caller',...), you could
write my_load so that it returns a structure and expand the structure
using:

	for [key,val] = my_load(...) 
	    eval([key "=val;"]);
	end

Or you could write my_load as a script (not a function!!) which expects the
name of the file to be in a particular variable before it is invoked.  You
have to be a lot more careful with your variables in the my_load script,
though, since they might collide with those in the "caller".

Or you could use the global variable solution I suggested for 'base'.

Paul Kienzle
pkienzle at users dot sf dot net

On Wed, Dec 19, 2001 at 12:00:19PM -0600, Pål Frenger wrote:
> 
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> Hi,
> 
> I have a lot of binary files that I have created using C++. I have written a function "my_load.m"
> that reads this binary file format into Matlab. Now I want to convert "my_load.m" so that it works
> also in Octave. Therefore I need something similar to the Matlab assignin function:
> 
> >help assignin
> >
> > ASSIGNIN Assign variable in workspace.
> >    ASSIGNIN(WS,'name',V) assigns the variable 'name' in the
> >    workspace WS the value V.  WS can be one of 'caller' or 'base'.
> 
> Is there any Octave equivalent to this function, or any work-around, that I can use to get my
> variables from the file into Octave?
> 
> Grateful for any help on this topic.
> 
> //Pål Frenger
> 
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Octave is freely available under the terms of the GNU GPL.

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