Might I recommend reading through the part of the Ruby standard library that is written in Ruby? This is often the best way to become quickly acquainted with a

Might I recommend reading through the part of the Ruby standard library that is written in Ruby? This is often the best way to become quickly acquainted with a new language, as the code you'll encounter will be sophisticated and idiomatic. It will also be implementing basics of the API, which are relatively consistent across languages.