ppmtopuzz – convert a portable pixmap into an X11 “puzzle” file
Reads a portable pixmap as input. Produces an X11 “puzzle” file as
output. A “puzzle” file is for use with the puzzle program included
with the X11 distribution – puzzle’s -picture flag lets you specify an
Copyright (C) 1991 by Jef Poskanzer.
22 August 1990 ppmtopuzz