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Not quite true - you can do it if you can constrain the problem space. I wrote up quite a versatile approach here:

http://ibmsystemsmag.com/ibmi/developer/rpg/even-more-flexible-calculations/ <http://ibmsystemsmag.com/ibmi/developer/rpg/even-more-flexible-calculations/>

Of course even using SQL means constraining the problem to what dynamic SQL statements can do!


Jon Paris

www.partner400.com
www.SystemiDeveloper.com

On Jun 7, 2019, at 11:28 AM, John Yeung <gallium.arsenide@xxxxxxxxx> wrote:

On Fri, Jun 7, 2019 at 11:11 AM Buddy McClean
<Buddy.McClean@xxxxxxxxxxxx> wrote:

I was trying to avoid the compare/selects, hoping I was just missing something in a simple statement or 2.

RPG is fundamentally not able to do what you're asking, because of its
statically compiled nature.

In principle, you can do anything in RPG, but in this case, all the
alternatives would be even more complicated than the compare/selects.

You said you didn't know any SQL. Well, now is as good a time as any
to pick some up. Even just rudimentary SQL would be very useful.

John Y.
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