pnm2png.sh revision 671242f350d172e106580348e24bab66b0d7e6a5
# -- grayscale
# -- full-color
# -- palletted
# -- gray with alpha-channel
# -- color with alpha-channel
# -- grayscale
# -- full-color
# -- palletted
# -- gray with alpha-channel
# -- color with alpha-channel