pbmtogem - convert a PBM image into a GEM .img file
This program is part of Netpbm(1).
pbmtogem reads a PBM image as input and produces a compressed GEM .img file as output.
pbmtogem does not support compression of repeated lines
Copyright (C) 1988 by David Beckemeyer (bdt!david) and Jef Poskanzer.