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