`fileutils` and `optparse` are standard Ruby libraries which provide helper functions for working with files and parsing options.
+fileutils+ and +optparse+ are standard Ruby libraries which provide helper functions for working with files and parsing options.
h4. +actionpack/lib/action_dispatch.rb+
Action Dispatch is the routing component of the Rails framework. It depends on Active Support, +actionpack/lib/action_pack.rb+ and +Rack+ being available. The first thing required here is +active_support+.
Action Dispatch is the routing component of the Rails framework. This file begins by requiring several other files: