# File lib/facets/more/minitar.rb, line 593
    def rewind
      if @init_pos == 0
        raise NonSeekableStream unless @io.respond_to?(:rewind)
        @io.rewind
      else
        raise NonSeekableStream unless @io.respond_to?(:pos=)
        @io.pos = @init_pos
      end
    end