Assuming the file is seekable (if it's not, you cannot do what you want) …
Why wouldn't GrandFather's approach of close-ing and re-opening work even if the filehandle is non-seekable?

UPDATE: Thanks to JavaFan for a very polite answer to a very silly question.

In reply to Re^2: how to reset the input operater in while loop? by JadeNB
in thread how to reset the input operater in while loop? by lightoverhead

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