Re: Subfile question

[Tony Carolla <carolla@xxxxxxxxx>]

Yes, that is the nature of the N in that specific position.  The
possible issue would be if you wanted to do both operations, for
example if you wanted to clear AND display the file, which you can't
do anyways, so it is a good technique in this case.

In fact, I will probably start using it now ;-)


On Thu, 16 Dec 2004 13:15:37 -0500, Bryon Cook <bryonc@xxxxxxxxxxx> wrote:
> I am not a strong programmer but I think I know the answer to this question.
> The first two lines:
> 
> A     50                                     SFLDSP
> A     50                                     SFLDSPCTL
> 
> are conditioned so that when indicator 50 is on they will be "executed".
> 
> The last line:
> 
>  A    N50                                     SFLCLR
> 
> will be "executed" when indicator 50 is NOT on (Not50 = N50).  So they are
> opposites in that one set of commands is executed when 50 is on and the
> other when 50 is off. (I think!)
> 
> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
> On Behalf Of Douglas W. Palme
> Sent: Thursday, December 16, 2004 12:59 PM
> To: RPG programming on the AS400 / iSeries
> Subject: Subfile question
> 
> I decided I needed some text help on subfiles so I ordered the
> book "Essentials of subfile Programming and advanced topics in RPG IV"
> 
> One question I have is a comment the author made:
> 
> The SFLCLR must have the opposite indicator value.....
> 
> Is he talking about the opposite value of SFLDSP, SFLDSPCTL or both? I
> looked at a sample subfile a friend of mine sent me and he was using
> indicators 51 for the SFLDSP and SFLDSPCTL fields and 50 for SFLCLR....and
> it works...
> 
> Can anyone explain what the author might have been talking about?
> 
> Here is the example he gave:
> 
> A     50                                     SFLDSP
> A     50                                     SFLDSPCTL
> A    N50                                     SFLCLR
> 
> Saying the N50 is the opposite of 50.
> 
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