pnmscalefixed --version (return code: 0)
pnmscalefixed: Using libpbm from Netpbm Version: Netpbm 10.0
pnmscalefixed: BSD defined
pnmscalefixed: RGB_ENV='RGBDEF'
pnmscalefixed: RGBENV= 'RGBDEF' (env vbl is unset)
pnmscalefixed -HELP (return code: 1)
pnmscalefixed: With no dimension options, you must supply at least one parameter:
the scale factor.