Re: Auto load an array when reading a record.

Here's my take...

  dcl-ds rcdXRCL likerec(<your rcd format> : *all);

  dcl-s ptrXRLA pointer inz(%addr(rcdXRCL));

  dcl-ds dsXRLA  based(ptrXRLA);
    arXRLA char(8) dim(3);
  end-ds;

   chain 039356 XRCL01 rcdXRCL;

Read the record into the DS. After the chain, arXRLA(<index>) is the array representation of your file "buckets".

Roger Harman
COMMON Certified Application Developer - ILE RPG on IBM i on Power

 



From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxx> on behalf of JRusling@xxxxxxxxxxx <JRusling@xxxxxxxxxxx>
Sent: Tuesday, September 12, 2017 9:43 AM
To: RPG
Subject: Auto load an array when reading a record.
 
i'm pretty sure i have seen this done but,

I'd like to read a record, and automatically populate an array.  I know it
can be done with the old syntax with beginng and ending positions
because i have old examples of it in the source here but i would like to
do it using newer syntax and as gracefully as possible.

My current example (i have had many variations) won't compile but i think
it gives the gist of what i am trying to do, which is automatically load
the LabelName
array upon read of the file xrcl01.

A successful example of what i am trying to do would be appreciated.

       dcl-f XRCL01   usage(*input ) keyed ;
         // File layout for xrcl01
         //  XRCUST customer number (key)
         //  XRLSTM last maint date
         //  XRLA01 label name 1  char(8)
         //  XRLA02 label name 2  char(8)
         //  XRLA03 label name 3  char(8)
         //  XRSET1 label 1 sets  dec(2:0)
         //  XRSET2 label 2 sets  dec(2:0)
         //  XRSET1 label 3 sets  dec(2:0)

       dcl-ds LabelName  dim(  3) ;
         XRLA01    pos(  1) ;
         XRLA02    pos(  9) ;
         XRLA03    pos( 17) ;
       end-ds;

       chain 039356 XRCL01 ;

       *inlr = *on;
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