RE: Loading an array from multiple fields in a record -- RPG400-L

That would be the offset to the start of the first amount field.

BTW, as Charles pointed out, it would be better to define the array fields using the LIKE keyword.

Rick

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Jim Essinger
Sent: Thursday, September 30, 2010 1:51 PM
To: RPG programming on the IBM i / System i
Subject: Re: Loading an array from multiple fields in a record

Is StartOfAmts the field name, or an offset value?

On Thu, Sep 30, 2010 at 12:18 PM, <Rick.Chevalier@xxxxxxxxxxxxxxx> wrote:

Jim,

I didn't see this mentioned so I'll throw it out.

D InputFileDS ds ExtName(InputFile)
D AmtArray 7p 2 Dim(24) Overlay(InputFileDS
:StartOfAmts)

Read InputFile InputFileDS
Or
Chain Key InputFile InputFileDS

This will cause your input record to be read straight into the DS and
populate the array at the same time.

HTH,

Rick

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Jim Essinger
Sent: Thursday, September 30, 2010 12:27 PM
To: RPG programming on the IBM i / System i
Subject: Loading an array from multiple fields in a record

Greetings!

I am a former (reformed) COBOL programmer still trying to re-learn RPG
(learned and used RPG II) and upgrade my knowledge to include the
newer functionality. I have searched the archives, but have not found
a good way to do this.

I have a file with records that contain 24 contiguous fields with like
information. They are all dollar amounts. From one record I need to
load an array so that field01 becomes array element 1, field02 becomes
array element
1 and so on.

Is there an easy way in RPG to accomplish this?

I have tried to create a DS with like;

D ds
D InFields
D Field01
D Field02
.
.
.
.
D Field24

D ds
D WkArray (defined like Field01) dim(24)

Then I have tried several ways to get the data structure InFields to
load each field into the array WkArray. All with no luck.

Any thoughts?

Thanks!

Jim
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