calling c++ or c from octave?

[Jonathan Stickel]

On 11/5/08 help-octave-request at cae.wisc.edu wrote:
>> From: Carlo de Falco <carlo.defalco at gmail.com>
>> > Subject: Re: calling c++ or c from octave?
>> > To: sergstesh at yahoo.com
>> > Cc: help-octave at cae.wisc.edu, "Francis Poulin" <fpoulin at uwaterloo.ca>
>> > Date: Wednesday, November 5, 2008, 6:39 AM
>> > On 04/nov/08, at 19:57, Sergei Steshenko wrote:
>> > 
>>> > > You may start from here:
>> > http://wiki.octave.org/wiki.pl?CodaTutorial .
>>> > > 
>>> > > I am using a different approach - I am writing data in
>> > binary format from
>>> > > "C" using "fwrite" and load the
>> > data into 'octave' using 'fopen',
>> > 'fread'
>>> > > in 'octave'. Works like a charm.
>>> > > 
>>> > > Regards,
>>> > >  Sergei.
>> > 
>> > if you only need to exchange data then "popen"
>> > and
>> > "fread" are probably an even better option
>> > c.
> 
> Well, in my case 'octave' does not call the "C" program and vice versa.
> So, the "C" program dumps data into files and when I need to analyze them
> by 'octave' I invoke it.
> 

If all that is needed is to manage workflow, then perhaps the "system" 
function in octave would be helpful.  For example, you can do something 
like:

octave> system("script_to_run_C_program")
octave> read_in_C_data
octave> [plotting commands]


Jonathan