--- Bill Pierson <[EMAIL PROTECTED]> wrote:
> Greetings all. I'm new to the list, and this is my first post, please
> excuse my ignorance if I ask a question that has already been
> addressed.
>
> I need some help finding a program or script that will merge/sort a
> 250+MB file as quickly as possible.
What operating system -- *NIX helps.
How much memory do you have?
> For example - I have 2 files. File A, and File B. I need to take File
> A and compare it against File B, and the result will be File C which
> is File A with all the entries in File B removed, sorted
> alphabetically. Please note that File B is over 250MB in size, and
> file A can range from 1MB to 100MB in size.
> I also need to take the contents of File A and File B, merge them
> together, and remove the duplicates.
If you have enough memory, you could do something simple like throw all
records from B into a hash, then read A and print to C unless the
record is in the hash.
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