#!/bin/sh

echo pnmcat -lr a.ppm b.ppm c.ppm \> abc
pnmcat -lr a.ppm b.ppm c.ppm > abc

echo pnmcat -lr d.ppm e.ppm f.ppm \> def
pnmcat -lr d.ppm e.ppm f.ppm > def

echo pnmcat -lr g.ppm h.ppm i.ppm \> ghi
pnmcat -lr g.ppm h.ppm i.ppm > ghi

echo pnmcat -tb abc def ghi \> huge.ppm
pnmcat -tb abc def ghi > huge.ppm

