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Hi


Usually the first false condition in an AND series will stop the processing - it won't test any later tests. So here if Procedure(2) returns true and Procedure (3) returns false, normally Procedure(4) will never be called - this is an efficiency, why do a bit of code if the test can't change after it is run?


You could test it with 2 procedures that display a message when run - make the first condition be false, such as if 1 = 2, the second be true, such as if 1 = 1.

HTH
Vern


On Wed, 14 Feb, 2024 at 5:39 PM, smith5646midrange@xxxxxxxxx <smith5646midrange@xxxxxxxxx> wrote:


To: 'rpg programming on ibm i'

My subject line should have read ...WITHOUT using a bunch of if statements. Oops.

If there is an error in Procedure2, I do not want Procedure3 or Procedure4 to run. Won't the if that you provided execute all three and then check the status of the IF?

-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx<mailto:rpg400-l-bounces@xxxxxxxxxxxxxxxxxx>> On Behalf Of Brian Johnson
Sent: Wednesday, February 14, 2024 6:05 PM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx<mailto:rpg400-l@xxxxxxxxxxxxxxxxxx>>
Subject: Re: Stopping processing with using a bunch of if statements

How about something like this...

Have each procedure return a success indicator where *on = success, then

Begin Procedure1

if Procedure2()
and Procedure3()
and Procedure4() ;
clear Errorfound ;
else;
Errorfound = *on;
return;
endif;

Mainline can then test for Errorfound that was set by the procedures.


On Wed, Feb 14, 2024 at 4:10 PM <smith5646midrange@xxxxxxxxx<mailto:smith5646midrange@xxxxxxxxx>> wrote:

I have an RPGLE program that calls a number of procedures. If it is
in a procedure and it detects an error, I want it to stop processing
and exit back to the main procedure where the initial screen is
displayed to inform the user of the error. I do not want the program
to abend. Is there a way do to this without placing an if statement
after each procedure? That could get really ugly and it would
probably be easy to miss one because not all procedures can encounter
an error.

...


--
Brian Johnson
brian.johnson.mn@xxxxxxxxx<mailto:brian.johnson.mn@xxxxxxxxx>
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