P5-nagios-plugin-memcached is a project mainly written in Perl, it's free.
Nagios plugin for memcached
Nagios-Plugin-Memcached
The README is used to introduce the module and provide instructions on how to install the module, any machine dependencies it may have (for example C compilers and installed libraries) and any other information that should be provided before the module is installed.
A README file is required for CPAN modules since CPAN extracts the README file from a module distribution so that people browsing the archive can use it get an idea of the modules uses. It is usually a good idea to provide version information here so that people can decide whether fixes for the module are worth downloading.
INSTALLATION
To install this module, run the following commands:
perl Makefile.PL
make
make test
make install
COPYRIGHT AND LICENCE
Put the correct copyright and licence information here.
Copyright (C) 2007 Toru Yamaguchi
This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.