Usage:
    test-script [options] file+

      Option        Value       Default  Unit  Meaning
      -a|--arg1     string      foo            No meaning
      -A|--arg2     [float]     1.5            
      -b|--bob                  ------         

      -v|--verbose  [fd/level]                 output informational messages
      --progress    [fd/level]                 output progress messages
      --stats       [fd/level]                 output statistical information

      --help        [string]                   produce summary help on stdout
      --longhelp                               produce long help on stdout
      --man                                    produce full man page on stdout
      --version                                produce full version on stdout
      -V|--briefversion                        produce brief version on stdout
      --copyright                              produce full copyright on stdout

      --dry-run                                don't really do anything
      --debug       [fd/level]