Read a MacPaint file as input and produce a PBM image as output. See also:
pbmtomacp. More information: https://netpbm.sourceforge.net/doc/macptopbm.html.
macptopbm {{path/to/file.macp}} > {{path/to/output.pbm}}
n bytes when reading the file:macptopbm {{[-e|-extraskip]}} {{n}} > {{path/to/output.pbm}}
macptopbm {{[-q|-quiet]}} > {{path/to/output.pbm}}
macptopbm {{[-v|-version]}}