The Object#grok method, for exploring Ruby objects

grok.rb

# the grok method - shows a list of "interesting" methods for an object
# usage - "hello".grok
# => ["%", "*", "+", "<<", "[]", "[]=", "all?", "any?", ...]
class Object
  def grok
    (self.methods - Object.new.methods).sort
  end
end