# File lib/archive/tar/minitar.rb, line 599
599:     def rewind
600:       if @init_pos == 0
601:         raise NonSeekableStream unless @io.respond_to?(:rewind)
602:         @io.rewind
603:       else
604:         raise NonSeekableStream unless @io.respond_to?(:pos=)
605:         @io.pos = @init_pos
606:       end
607:     end