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Posted by MaKroZ on 03/06/06 17:53
On Mon, 06 Mar 2006 10:49:36 -0500, MaKroZ wrote:
> On Sun, 05 Mar 2006 20:11:13 -0800, guttyguppy wrote:
>
>> <?php
>>
>> I did this, and it works. I'm not sure why though, I worked at it for a
>> long time and got lucky. Can anyone tell me if they see anything
>> inherently wrong with it? It works so hey I'm not complaining...
>>
>> $fp = fopen('filename.txt', 'r');
>> $random = rand() % 3663782;
>> fseek($fp, $random);
>> if (!fgets($fp)) {
>> $data=fgets($fp);
>> echo $data;
>> }
>> else {
>> echo fgets($fp);
>> }
>> ?>
>
> A good solution. Thank NC.
> The only thing I can see that if 3663782 is exactly the size of your text
> file sometimes your script will produce nothing. It will happen when
> rand returns a big number, close to 3663782 enough to fall into the very
> last line and then behind it on the second fgets().
> So reduce that number by the length of the last line... if you didn't yet,
> of course.
BTW, the first line will never be read. Guess why :)
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