Retrieving value from yaml file

read_yml

      # Helper method for retrieving value from yaml file
      # @param [String, String]
      # keys, eg. "timeouts:implicit_wait" to retrieve value "60" from
      # yml file with content:
      #    timeouts:
      #       implicit_wait: 60
      def read_yml(file_name, keys)
        data = Hash.new
        begin
          data = YAML.load_file "#{file_name}"
        rescue
          raise Exception, "File #{file_name} doesn't exist" unless File.exist?(file_name)
        rescue
          raise YAMLErrors, "Failed to load #{file_name}"
        end
        keys_array = keys.split(/:/)
        value = data
        keys_array.each do |key|
          value = value[key]
        end
        return value
      end