ppmshadow version (return code: 0)
pnmfile: EOF / read error reading magic number
pnmcut: invalid number `-ysize'
EOF / read error reading magic number
pnmarith: EOF / read error reading magic number
pnminvert: EOF / read error reading magic number
ppmtopgm: EOF / read error reading magic number
pgmtopbm: EOF / read error reading magic number
pnmconvol: EOF / read error reading magic number
pnmarith: EOF / read error reading magic number
pnmcut: EOF / read error reading magic number
pnmpaste: EOF / read error reading magic number
pnminvert: EOF / read error reading magic number
pnmarith: EOF / read error reading magic number
pnmarith: EOF / read error reading magic number
pnmarith: EOF / read error reading magic number
ppmshadow help (return code: 0)
pnmfile: help - No such file or directory
pnmcut: help - No such file or directory
invalid number `-ysize'
pnmarith: help - No such file or directory
pnminvert: EOF / read error reading magic number
ppmtopgm: EOF / read error reading magic number
pgmtopbm: EOF / read error reading magic number
pnmconvol: EOF / read error reading magic number
pnmarith: EOF / read error reading magic number
pnmcut: EOF / read error reading magic number
pnmpaste: EOF / read error reading magic number
pnminvert: EOF / read error reading magic number
pnmarith: help - No such file or directory
pnmarith: EOF / read error reading magic number
pnmarith: EOF / read error reading magic number