This is Perl module MouseX::Getopt. INSTALLATION MouseX::Getopt installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan MouseX::Getopt Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION MouseX::Getopt documentation is available as in POD. So you can do: % perldoc MouseX::Getopt to read the documentation online with your favorite pager. NAKAGAWA Masaki