How do I use an ActionView::Helper in a Ruby script, outside of Rails?

Question

I am looking to use ActionView::Helpers::NumberHelper from a Ruby script. What all do I need to require etc.?

Answer 1

~> irb
ruby-1.9.2-p180 :001 > require 'action_view'
 => true 
ruby-1.9.2-p180 :002 > ActionView::Base.new.number_to_currency 43
 => "$43.00"