AW: EXTFLD Question -- RPG400-L

Hi,

>>As for the "@", I'm just copying code from other renames, keep it uniform.
>>But why does it suck so bad?  It's not a big deal.  When I see the "@", I
>>immediately know that the field is program described. Also, the last time
I
>>checked, you can't begin a field with a number. Maybe that's changed with
>>V5R3.

The worst thing about using "@" is, it is NOT international.
As long as you do not have to install and recompile your source code on an
other system, with an operating system in an other language, you may not get
any problem. In Germany we cannot use "@" in our source code, but "?".
Each time we get a source code from an American Machine, we have to scan the
sources and replace @ through ? before compiling it. Because @ even could be
used in an constant or e-Mail-Adress, you cannot simply replace all @
through ?, your have to check it!. And this really isn't worth the effort!

We also stuck in old naming conventions, but we replace step by step our
?-signs through Prefixes, i.e. LDA for a field defined in the LDA (ok LDA is
not the best solution, but we also move off using LDA) or Par for a
Parameter-Field or Loc for a local Variable and so on.

Mit freundlichen Gru?en / Best regards

Birgitta

"Shoot for the moon, even if you miss, you'll land among the stars."
(Les Brown)

-----Ursprungliche Nachricht-----
Von: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]Im Auftrag von
Michael_Schutte@xxxxxxxxxxxx
Gesendet: Montag, 24. April 2006 22:23
An: RPG programming on the AS400 / iSeries
Betreff: RE: EXTFLD Question


Okay thanks... that's what I was looking for.  RBFUTUSEA is defined in a
file on the FSPEC.

As for the "@", I'm just copying code from other renames, keep it uniform.
But why does it suck so bad?  It's not a big deal.  When I see the "@", I
immediately know that the field is program described. Also, the last time I
checked, you can't begin a field with a number. Maybe that's changed with
V5R3.

Michael Schutte




             "Bob Cozzi"
             <cozzi@xxxxxxxxx>
             Sent by:                                                   To
             rpg400-l-bounces+         "'RPG programming on the AS400 /
             michael_schutte=b         iSeries'" <rpg400-l@xxxxxxxxxxxx>
             obevans.com@midra                                          cc
             nge.com
                                                                   Subject
                                       RE: EXTFLD Question
             04/24/2006 04:16
             PM


             Please respond to
              RPG programming
              on the AS400 /
                  iSeries
             <rpg400-l@midrang
                  e.com>






Once you override the external field name using EXTFLD, that name no longer
exists in the program.
If you are able to refer to RBFUTUSEA in your code, then you have it
defined
elsewhere in the program, probably via a file or another data structure.
In either case, RBFUTUSEA does not exist in the 12DBRC data structure ("at
signs" in names suck, by the way) and therefore moving anything into it,
does
not get reflected in FutureUseA or its overlaid subfields.

-Bob Cozzi
www.RPGxTools.com
RPG xTools - Enjoy programming again.


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On
Behalf Of Michael_Schutte@xxxxxxxxxxxx
Sent: Monday, April 24, 2006 3:11 PM
To: rpg400-l@xxxxxxxxxxxx
Subject: EXTFLD Question


D @12DBRC       E DS                  EXTNAME(BEF012)
D  FutureUseA   E                     ExtFld (RBFUTUSEA)
D   ProdPlantYN                  1    OverLay(FutureUseA:1)
D   FutureUseA2                  9    OverLay(FutureUseA:*NEXT)

We have a future use field in a file that we are going to begin to use.  I
only need to use one character of it.  Anyway, I was under the impression
that I can use FutureUseA in the program as it was RBFUTUSEA, so that when
an update was executed the RBFUTUSEA field will be changed to what was in
FutureUseA.  To break up the field, I used the Overlay for ProdPlantYN.

When the program executes, ProdPlantYN is populated to 'Y' and while in
debug mode, FutureUseA = 'Y         ', however, This value doesn't get
updated to RBFUTUSEA.  Am I suppose to move it there?  I thought the
purpose of ExtFld was to rename the field for the program?  Is there
something I'm doing wrong?

NOTE: BEF012 is defined in the FSPEC, but there is NOT a prefix on it.

Thanks in advance.

Michael Schutte

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