Writing `pp` output to a Rails log

ppl.rb

require 'pp'
module Kernel
  class LoggerAppender
    include Singleton
    def <<(msg)
      RAILS_DEFAULT_LOGGER.send(:buffer) << (msg || "")
      RAILS_DEFAULT_LOGGER.send(:auto_flush)
      msg
    end
  end
  
  # pretty print to Rails log
  def ppl(*objs)
    logger.debug "\e[33m"
    objs.each {|obj|
      PP.pp(obj, LoggerAppender.instance)
    }
    logger.debug "\e[0m"
    nil
  end
  module_function :ppl
end