- { long => 'no_stream', short => 'x', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
- { long => 'data_out', short => 'o', type => 'file', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
- { long => 'compress', short => 'Z', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
+ { long => 'key', short => 'k', type => 'string', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
+ { long => 'step', short => 's', type => 'uint', mandatory => 'no', default => 1, allowed => undef, disallowed => undef },
+ { long => 'no_stream', short => 'x', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
+ { long => 'data_out', short => 'o', type => 'file', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
+ { long => 'compress', short => 'Z', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },