For simplicity, you should have the row pointer always wrap back to the beginning if the end of the file is reached.

为了简单起见，如果已经到达了文件的末端，您应该使这个行指针回到开始。

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Mr. FRANKLIN: I guess the only memory of it is the one - the foot and a half piece that I got sitting in the corner of my apartment back wrap in shrink wrap.

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