def unsafely(*args, &block)
      previous_state = @rye_safe
      disable_safe_mode
      ret = self.instance_exec *args, &block
      @rye_safe = previous_state
      ret
    end
def unsafely(*args, &block)
      previous_state = @rye_safe
      disable_safe_mode
      ret = self.instance_exec *args, &block
      @rye_safe = previous_state
      ret
    end
Like batch, except it disables safe mode before executing the block.
 After executing the block, safe mode is returned back to whichever
 state it was previously in. In other words, this method won't enable
 safe mode if it was already disabled.