Re: reading matrix of unknown dimensions from file.

[Mike Miller]

On Thu, 4 Jul 2002, Arno Peters wrote:

> On Thu, Jul 04, 2002 at 10:37:17AM -0500, Mike Miller wrote:
> > By the way, is there a way to load a file that looks like this...
> >
> > 1 2 3 4
> > 1 2
> > 1 2 3 4 5
> > 1 2 3
> >
> > ...and have Octave automatically pad with zeros to produce a matrix in
> > Octave that looks like this?
> >
> > 1 2 3 4 0
> > 1 2 0 0 0
> > 1 2 3 4 5
> > 1 2 3 0 0
>
> Preprocess you file with the attached perl script.


Very nice.  To get a number of columns in the output that does not exceed
the number of columns in the input, one may do this...

pad.pl `awk '{print NF}' infile | sort -rn | head -1` < infile > outfile

Thanks.  I can use that.  I still think a "load -pad" option in Octave
would be good.

Mike



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