Thank you Andrew:

[EMAIL PROTECTED] wrote:

> Tim wrote:
> > This file could have over 100k offsets in it, so could be over 400k in
> size.
> > ...
> > What then could be an optimum read size?
>
> Read the entire file into memory, and let the OS Virtual Memory determine
> what's best. It can do a far better job than a person can do.

Since this will run on Linux mostly, I'm inclined to concurr.
:)Tim

>
>
> Andrew Martin
> ICQ: 26227169
> http://members.ncbi.com/AndrewMartin/
> http://members.xoom.com/AndrewMartin/
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