Re: Can't See the Difference -- RPG400-L

hi Jerry,

I guess when I said "Simple but complete program", I was expecting you to strip the program down to just the parts absolutely needed to make a runnable program that demonstrates the problem. I wasn't especting you to post the /entire/ program...

Plus, and I thought I made this clear, it needs to be something I can load and run on my system. Without that, I really can't troubleshoot it. The code you posted requires multiple copy books that I don't have on my system, so it can't be compiled.

On 3/1/2012 7:29 AM, Jerry C. Adams wrote:

Okay, I've uploaded the code for the program, display file and its only
physical file at http://code.midrange.com/0abb285380.html .

Sorry for the delay, but Wednesday is my day off.

Jerry C. Adams
IBM i Programmer/Analyst
The secret of managing is to keep the guys who hate you away from the guys
who are undecided. -Casey Stengel
--
A&K Wholesale
Murfreesboro, TN
615-867-5070

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Scott Klement
Sent: Tuesday, February 28, 2012 2:27 PM
To: RPG programming on the IBM i / System i
Subject: Re: Can't See the Difference

Hi Jerry,

I suspect that the problem isn't in the code you posted, but rather is
somewhere else in the program (that you haven't thought of.)

Could you post a simple (but complete) program that we could load and run
that demonstrates the problem? I realize that this is a bit more work than
just copy/pasting snippets from your code -- but if you can make a simple
program that only has the needed code, and doesn't rely on any external
files (since we won't have those) that reproduces the same problem, then
we'll be sure to have everything we need.

If I'm able to load/run the program on my computer, I'll be able to really
troubleshoot it. (Rather than just giving it a quick glance.)

That's about all I can offer.

On 2/28/2012 1:13 PM, Jerry C. Adams wrote:

I have code in two places in my program that loop through a subfile.
The code is essentially the same. The first set is in a subroutine
and the second set is in a subprocedure. The subprocedure set works;
the subroutine set doesn't. It's the latter that's got me puzzled

(obviously).

I have stared at this all morning and can't see any difference between
the two sets of code, but I've only got one eye and it's aged and
often blurry after staring at a terminal most of the day. Maybe
someone else can point out what is probably an obvious flaw that I can't

see.

Subroutine code (not working):

IF #limit> *Zeros;
FOR x = 1 to #limit;
CHAIN x DTU020A;
IF %found();
(some code)

Subprocedure code (working):

IF #Limit> *Zeros;
FOR x = 1 to #Limit;
CHAIN x DTU020A;
IF %found();
(different code)

In the interest of full disclosure: the definitions of the variables are:

D #Limit S Like(rrna)
D X S Like(rrna)

And rrna is the relative record number of the subfile record
(DTU020A). The debug of the subroutine code on the CHAIN 'x' has a
value of '1'. After the IF %found(), the subroutine bypasses all of
the "some code" stuff. The FOR loop runs for as many records as there
are in the subfile; it's the CHAIN in the subroutine that doesn't find the

subfile record.

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