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Macptopbm User Manual(0)                              Macptopbm User Manual(0)

       macptopbm - convert a MacPaint file into a PBM image

       macptopbm [-extraskip N] [macpfile]

       This program is part of Netpbm(1).

       macptopbmreads a MacPaint file as input and produces a PBM image as output.

       You can abbreviate any option to its shortest unique prefix.

              This option is to get around a problem with some methods of transferring 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
              -extraskip 128, and if that still doesn't look right try another value.

       picttoppm(1), pbmtomacp(1), pbm(1)

       Copyright (C) 1988 by Jef Poskanzer.

       The MacPaint-reading code is copyright (c) 1987 by Patrick J. Naughton (

netpbm documentation             29 March 1989        Macptopbm User Manual(0)