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macptopbm(1) PBM Plus macptopbm(1)
NAME
macptopbm - convert a MacPaint file into a portable bitmap
SYNOPSIS
macptopbm [-extraskip <n>] [macpfile]
DESCRIPTION
Reads a MacPaint file as input. Produces a portable bitmap
as output.
The -extraskip flag is to get around a problem with some
methods of transfering files from the Mac world to the Unix
world. Most of these methods leave the Mac files alone, but
a few of them add the "finderinfo" data onto the front of
the Unix file. This means an extra 128 bytes to skip over
when reading the file. The symptom to watch for is that the
resulting PBM file looks shifted to one side. If you get
this, try -e 128, and if that still doesn't look right try
another value.
All flags can be abbreviated to their shortest unique pre-
fix.
SEE ALSO
picttopbm(1), pbmtomacp(1), pbm(5)
AUTHOR
Copyright (C) 1988 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 docu-
mentation. This software is provided "as is" without
express or implied warranty.
The MacPaint-reading code is Copyright (c) 1987 by Patrick
J. Naughton (naughton@wind.sun.com)
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 docu-
mentation.
Printed 5/25/90 29 March 1989 1