def search_for_file(path_suffix)
      path_suffix = path_suffix + '.rb' unless path_suffix.ends_with? '.rb'
      load_paths.each do |root|
        path = File.join(root, path_suffix)
        return path if File.file? path
      end
      nil # Gee, I sure wish we had first_match ;-)
    end
def search_for_file(path_suffix)
      path_suffix = path_suffix + '.rb' unless path_suffix.ends_with? '.rb'
      load_paths.each do |root|
        path = File.join(root, path_suffix)
        return path if File.file? path
      end
      nil # Gee, I sure wish we had first_match ;-)
    end
Search for a file in load_paths matching the provided suffix.