>>I was able to speed up the results to .05 seconds by switching from using strtofile to using FREAD, etc. The other problem with the algorithm is that it, well, doesn't work. It misses some entries.
>>
>>So, if nothing else the VB's guys beat us to a solution that is correct.
>
>What does it miss?

Um, sorry, I meant the one Garrett and I were using.

Have you tried yours switched to use FREAD/FWRITE?