{ long => 'help', short => '?', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
{ long => 'stream_in', short => 'I', type => 'file!', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
{ long => 'stream_out', short => 'O', type => 'file', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
{ long => 'help', short => '?', type => 'flag', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
{ long => 'stream_in', short => 'I', type => 'file!', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },
{ long => 'stream_out', short => 'O', type => 'file', mandatory => 'no', default => undef, allowed => undef, disallowed => undef },