On Mon, Nov 12, 2012 at 11:57 PM, Ryan Davis <[email protected]> wrote:
>
> On Nov 12, 2012, at 14:21 , Ruby Student <[email protected]> wrote:
>
>> I have two large files, about 16 million records each.
>> The files are sorted.
>> The first 13 characters are used as a key.
>> We get an updated file every week.
>> We also keep the previous week file.
>
> You or someone else posted this exact problem just a few weeks ago. Please 
> don't repost if that was you. Please don't post your homework regardless. 
> We're happy to answer questions and give advice. We're not happy to directly 
> contribute to your grade.

IIRC I even posted a solution outline.

Cheers

robert

--
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