Re: importing a matrix from stdout of another program

[Mike Miller]

On Tue, 19 Jul 2005, Mike Miller wrote:

> I have a perl program that will produce a matrix in its standard output. 
> I want to be able to bring that matrix into Octave directly, if 
> possible. The command syntax is like this:
>
> seqped.pl infile
>
> The program reads in a data file and sends a matrix to stdout.  It would 
> be nice to have an Octave function (called 'seqped') that could call 
> that perl script and read in the matrix like this:
>
> X = seqped(infile) ;
>
> Is it possible to do that without writing a temp file and reading the 
> matrix from the temp file?  That would be my preference, but if a temp 
> file must be used, what's a good way of writing that?

That was kinda dumb of me to ask that.  Apparently, this will do what I 
need:

X = str2num(system("seqped.pl infile")) ;

That was a lot easier than I thought it would be.  Octave is great!

Mike



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