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 Iterator::Simple::Lookahead If you want to read it before you install it, you can use perldoc directly on the module file. perldoc lib/Iterator/Simple/Lookahead.pm This module repository is kept in Github, please feel free to submit issues, fork and send pull requests. https://github.com/pauloscustodio/Iterator-Simple-Lookahead Copyright (C) 2013-2015 by Paulo Custodio This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.16.1 or, at your option, any later version of Perl 5 you may have available.