You can install this using in the usual Perl fashion perl Makefile.PL make make test make install The documentation is in the module file. Once you install the file, you can read it with perldoc. perldoc Tie::BoundedInteger If you want to read it before you install it, you can use perldoc directly on the module file. perldoc lib/Tie/BoundedInteger.pm This module is also in GitHub: https://github.com/briandfoy/tie-boundedinteger Enjoy, brian d foy, bdfoy@cpan.org