pnmtotiffcmyk
Convert a PNM image to a CMYK encoded TIFF.
TLDR
Convert a PNM image to a CMYK encoded TIFF
$ pnmtotiffcmyk [path/to/input_file.pnm] > [path/to/output_file.tiff]
Specify the TIFF compression method
$ pnmtotiffcmyk -[none|packbits|lzw] [path/to/input_file.pnm] > [path/to/output_file.tiff]
Control the fill order
$ pnmtotiffcmyk -[msb2lsb|lsb2msb] [path/to/input_file.pnm] > [path/to/output_file.tiff]
