Reads a Sun rasterfile as input. Produces a portable anymap as output.
The type of the output file depends on the input file - if it's black &
white, a pbm file is written, else if it's grayscale a pgm file, else a
ppm file. The program tells you which type it is writing.
Copyright (C) 1989, 1991 by Jef Poskanzer.
13 January 1991 rasttopnm(1)
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