From: Ryan Leavengood <leavengood@...>
Date: 2005-12-08T12:03:46+09:00
Subject: Re: How to capture PrettyPrint output to string?

require 'pp'
require 'stringio'

def my_pp(*args)
  old_out = $stdout
  begin
    s=StringIO.new
    $stdout=s
    pp(*args)
  ensure
    $stdout=old_out
  end
  s.string
end