bioradtopgm --version (return code: 0)
bioradtopgm: Using libpbm from Netpbm Version: Netpbm 10.0
bioradtopgm: BSD defined
bioradtopgm: RGB_ENV='RGBDEF'
bioradtopgm: RGBENV= 'RGBDEF' (env vbl is unset)
bioradtopgm -h (return code: 1)
usage: bioradtopgm [-image#] [Bioradfile]