Rubygems | Latest Versions for ruby-whichhttps://rubygems.org/gems2023-09-28T02:00:19Zruby-which (0.5.2)https://rubygems.org/gems/ruby-which/versions/0.5.22009-07-25T17:55:25ZPistosLike the UNIX "which" tool for Ruby libraries.
Use ruby-which for those times when you don't know which version of a library you're require-ing, or from what path on your system it's coming from.