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  2. RPG400-L
  3. November 2015

Re: Ascend and data structure lookups.

Thank you for the response. It cleared my confusion. My confusion laid with the ASCEND/DESCEND keyword. It never dawned on me that IBM would allow an ASCEND/DESCEND array to be populated in any order other than as defined.

On 11/26/2015 8:32 AM, Jon Paris wrote:
No idea where you got that idea Booth. It has always worked the same way as LOOKUP _except_ when Ascend/Descend is specified and then it switches to binary search.

See this http://www.ibmsystemsmag.com/ibmi/developer/rpg/iSeries-EXTRA--Look-Before-You--Lookup/ from 2002.


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