macptopbm
converts MacPaint image format to PBM
TLDR
Convert MacPaint to PBM
$ macptopbm [input.macp] > [output.pbm]
SYNOPSIS
macptopbm [file]
DESCRIPTION
macptopbm converts MacPaint image format to PBM. MacPaint was a bitmap graphics editor for early Macintosh computers. Part of Netpbm toolkit.