RE: Array over fields in a data structure

["Lim Hock-Chai" <Lim.Hock-Chai@xxxxxxxx>]

What if there is no pattern in between each field.  ( The actual data structure 
has no pattern).
If I change the structure to be as follow:

      A          R TESTDSFMT
      A            MYFEC1         3
      A            MYOTHER1       9   0 
      A            MYFEC1OK       1
      A            MYFEC2         3
      A            MYOTHER2       5    
      A            MYOTHER3       7    
      A            MYFEC2OK       1
      A            MYFEC3         3
      A            MYFEC3OK       1
      A            MYFEC4         3
      A            MYOTHER4       15   5  
      A            MYFEC4OK       1
      A            MYFEC5         3
      A            MYFEC5OK       1
      A            MYOTHER5       1
      A            MYFEC6         3
      A            MYFEC6OK       1
      A            MYFEC7         3
      A            MYFEC7OK       1
      A            MYFEC8         3
      A            MYFEC8OK       1


 
-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]On Behalf Of Tony Carolla
Sent: Wednesday, November 17, 2004 5:40 PM
To: RPG programming on the AS400 / iSeries
Subject: Re: Array over fields in a data structure


You could define a variable based on a pointer:

     D pMyFec          S               *   Inz
     D MyFec           S              3A   Based(pMyFec)

Point the pMyFec pointer at the first MYFECx field in the data
structure, then do a DOW loop to READE all of the matching input
records.  During this loop, you would
1)  Place the XXFEC variable into the MYFEC variable
2)  Increment the pMyFec pointer (pMyFec+=4;)
3)  READE the next matching record


On Wed, 17 Nov 2004 17:08:23 -0600, Lim Hock-Chai
<lim.hock-chai@xxxxxxxx> wrote:
> If I have a PF (use it as data structure only) that contains the following 
> like below:
>      A          R TESTDSFMT
>      A            MYFEC1         3
>      A            MYFEC1OK       1
>      A            MYFEC2         3
>      A            MYFEC2OK       1
>      A            MYFEC3         3
>      A            MYFEC3OK       1
>      A            MYFEC4         3
>      A            MYFEC4OK       1
>      A            MYFEC5         3
>      A            MYFEC5OK       1
>      A            MYFEC6         3
>      A            MYFEC6OK       1
>      A            MYFEC7         3
>      A            MYFEC7OK       1
>      A            MYFEC8         3
>      A            MYFEC8OK       1
> 
> And I've a INPUT file that contain a field XXFEC
>      A          R INPUTFMT
>      A            XXCUST         9
>      A            XXFEC          3
>      A          K XXCUST
> 
> If the program needs to loop thru this input file for a XXCUST to load XXFEC 
> to fields MYFEC1 to MYFEC8, what would be the easiest way to do this?  I'm 
> going blank here.
> 
> thanks
> --
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