perl-YAML-Tiny (Read/Write YAML files with a little code as possible) The YAML specification is huge. Really, really huge. It contains all the functionality of XML, except with flexibility and choice, which makes it easier to read, but with a formal specification that is more complex than XML. The original pure-Perl implementation YAML costs just over 4 megabytes of memory to load. Just like with Windows .ini files (3 meg to load) and CSS (3.5 meg to load) the situation is just asking for a YAML::Tiny module, an incomplete but correct and usable subset of the functionality, in as little code as possible.