cutgmov -f filmin -o filmout --n1=n1 --n2=n2

  Options: -h        -- this help message
           -f        -- name of the input
           -o        -- name of the output
           --n1      -- number of the first frame
           --n2      -- number of the last frame
           --info    -- give info on the film
           --help    -- this help message
           --version -- displays version