ppmtoapplevol
Convert PPM to Apple volume label format
TLDR
Convert PPM to Apple volume label
$ ppmtoapplevol [input.ppm] > [output.vol]
SYNOPSIS
ppmtoapplevol [file]
DESCRIPTION
ppmtoapplevol converts PPM images to Apple volume label format used for custom disk icons on Macintosh. Part of Netpbm toolkit.