# File lib/archive/tar/minitar.rb, line 593
593:     def rewind
594:       if @init_pos == 0
595:         raise NonSeekableStream unless @io.respond_to?(:rewind)
596:         @io.rewind
597:       else
598:         raise NonSeekableStream unless @io.respond_to?(:pos=)
599:         @io.pos = @init_pos
600:       end
601:     end