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