Find those debug statements

p_debug.rb

module Kernel
  def p(*arg)
    raise StandardError
  rescue => e
    $stdout.puts "p:     #{e.backtrace[1]}"
  end
  
  def puts(*arg)
    raise StandardError
  rescue => e
    $stdout.puts "puts:  #{e.backtrace[1]}"
  end
  
  def print(*arg)
    raise StandardError
  rescue => e
    $stdout.puts "print: #{e.backtrace[1]}"
  end
end