Automate print command on mac?

[rs-232]

Hi all, I need to automatically plot multiple separate arrays, and print them
in a specific resolution. I can get octave to plot and print my arrays, but
when I try to automate this by putting the process in a function and
replacing the filename with an argument, octave saves the file as the
argument name rather than its value and will overwrite the same file in
subsequent iterations.

Any ideas?

I have included my incredibly basic function:


function y = testr2( arg0 )
        start = 0
        finish = 44100
        y = wavread ("sound.wav", [start, finish]);
        plot (y)
        print -dpng "-S23215,500" arg0
        arg0
        y = 0
endfunction 
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