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  1.  Home
  2. RPG400-L
  3. August 2021

RE: DS argument list for i/o vs. listing the arguments at the i/o statement

I prefer the clarity of the individual fields.

That being said, I used %kds() extensively in a program that had about 10 level breaks. It made the code pretty easy to setup and follow.



-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of David Gibbs via RPG400-L
Sent: Wednesday, August 18, 2021 8:52 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Cc: David Gibbs <david@xxxxxxxxxxxx>
Subject: Re: DS argument list for i/o vs. listing the arguments at the i/o statement

On 8/18/21 8:24 AM, Alan Cassidy wrote:
(1) chain %kds( CustkeysDS )  Custfile ;

--versus-

(2) chain ( CustType : CustNbr )  Custfile ;

IMO, it depends on how complex the files key fields are.

If there a lot of keys, a data structure makes sense.

If it's less than 3, individual fields are good.

david


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