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not using reuse delete, and no reliable date in the file.

I think it'll work.

On 3/19/06, Vernon Hamberg <vhamberg@xxxxxxxxxxx> wrote:
> the only problem I see is, can you assume that the records are in
> order by RRN? If you have REUSEDLT attribute set to *YES, you can't
> make this assumption. Is there date in the key or somewhere in the record?
>
> At 02:06 PM 3/19/2006, you wrote:
>
> >I've got a file with 2 or 3 years worth of history in it.  the key
> >fields are not unique, so duplicates abound.
> >
> >I want to extract the last instance (by rrn) of each key value.
> >
> >will this work?
> >
> >copy the file (by rrn) to a sequencial file (this ?might? not be necessary?)
> >
> >create an empty duplicate file with unique keyword specified.
> >
> >cpyf to the empty file using *UPDADD
> >
> >sound kosher?
> >
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