AW: while exit from the dsply fiel its adding a blank record with 0'

Hi,

the worst thing in my opion is,
he already asked this question on wednesday and I gave him the correct
answer even with enhancing his own example.
But he either ignored it or did not understand it.

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 Wes Reinhold
Gesendet: Freitag, 18. August 2006 15:09
An: RPG programming on the AS400 / iSeries
Betreff: RE: while exit from the dsply fiel its adding a blank record
with 0'


He should check for the *in03 after the exfmt and not at the top of the
loop.  The loop would better be expressed as DOW 0=0, and then exit
(leave) on *in03.  The way it is if he uses the f3 key the logic
continues to the bottom of the loop and then to the top where it exits.

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Raby, Steve
Sent: Friday, August 18, 2006 9:03 AM
To: RPG programming on the AS400 / iSeries
Subject: RE: while exit from the dsply fiel its adding a blank record
with 0'

I am sorry but it doesnt matter whether it is a DOW or DOU the logic of
the program MUST go from the screen and through the steps to the end of
the loop, so it will ALWAYS write a record to that file no matter what
you do.

Or am I missing something?

Steve

-----Oorspronkelijk bericht-----
Van: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx]Namens Wayne McAlpine
Verzonden: vrijdag 18 augustus 2006 15:00
Aan: rpg400-l@xxxxxxxxxxxx
Onderwerp: Re: while exit from the dsply fiel its adding a blank record
with 0'


The DOU loop checks at the end, so it is always executed at least once.

Jeff Crosby wrote:

Shiva -

I'm NOT going to give you the technical answer, but anyone who has
had the
CS101 course (basic programming logic) has surely been taught that a
DO WHILE loop (RPG/400's DOW operation) doesn't check the looping
condition until it reaches the END of the loop (RPG/400's ENDDO
operation).

I think that's incorrect.  Doesn't the DOW check at the start of the
loop and the DOU check at the end?

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