in reply to Writing to a file at a specific point.

If you want to write at a specific location, use the seek function. I doubt however that you can use it for a guestbook. Unless you write fixed size records.

Abigail

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Re: Re: Writing to a file at a specific point.
by Mr. Muskrat (Canon) on Nov 14, 2002 at 16:49 UTC

    Abigail-II++,
    I started to include seek in a second paragraph just because TIMTOWTDI but decided against it because of the mention of a guestbook by the OP.