PNMCROP
NAME
pnmcrop - crop a portable anymap
SYNOPSIS
pnmcrop [-white|-black] [pnmfile]
DESCRIPTION
Reads a portable anymap as input. Removes edges that are the
background color, and produces a portable anymap as output. By
default, it makes a guess as to what the background color is. You can
override the default with the -white and -black flags.
All flags can be abbreviated to their shortest unique prefix.
DEMONSTRATION
Let a.pnm be a portable anymap.
The following command will crop it
pnmmerge pnmcrop a.pnm >acrop.pnm
BEFORE

AFTER
SEE ALSO
pnmcut(1), pnm(5)
AUTHOR
Copyright (C) 1989 by Jef Poskanzer.
Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation. This software is provided "as is" without
express or implied warranty.