Even more of a dirty hack for Ruby World-writable test (1.8.7)

world_writable.rb

def world_writable?(file)
  write_bit = Integer(sprintf("%o", File.stat(file).mode)[-1,1])
  puts write_bit
  if [2, 3, 6, 7].include?(write_bit)
    true
  else
    false
  end
end