From help-octave-request at bevo dot che dot wisc dot edu Thu Dec 20 09:26:11 2001
Subject: Re: Is there an Octave equivalent to the Matlab ASSIGNIN function?
From: =?iso-8859-1?Q?P=E5l?= Frenger <pal dot frenger at era dot ericsson dot se>
To: Paul Kienzle <pkienzle at jazz dot ncnr dot nist dot gov>
CC: help-octave at bevo dot che dot wisc dot edu
Date: Thu, 20 Dec 2001 09:24:58 -0600


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Thanks a lot for you help Paul!
I'm sure I can work something out from this :-)
//Pål

Paul Kienzle wrote:

> 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:
> >
> > 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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