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