Re: Cant see the wood for the trees

Sorry - I'm getting all flummoxed
Let me re-write that
I understand that the field names P99filename1 etc NEVER had data placed in
them, hence the "empty" output file.
What I really mean is that the field names that I had in the program
P99.fieldname1 etc were NOT really defined anywhere.
Why did it compile? Why was I able to EVAL them in debug?


Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx
"If you're going through Hell, keep going" - Winston Churchill
rpg400-l-bounces@xxxxxxxxxxxx wrote on 02/28/2008 03:47:59 PM:

I understand that the field names P99filename1 etc NEVER had data placed

in

them, hence the "empty" output file.
What I really mean is that the file names that I had in the program
P99.filename1 etc were NOT really defined anywhere.
Why did it compile? Why was I able to EVAL them in debug?



Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx
"If you're going through Hell, keep going" - Winston Churchill

rpg400-l-bounces@xxxxxxxxxxxx wrote on 02/28/2008 03:43:50 PM:

But surely that's the point
The field names I had written as
P99.filename1 and NOT P99filename1


Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx
"If you're going through Hell, keep going" - Winston Churchill

rpg400-l-bounces@xxxxxxxxxxxx wrote on 02/28/2008 03:36:15 PM:

it should have compile regardless p99fieldname1 isn't the same as
p99.fieldname1 so how does the compiler know what you meant to do?

it

only knew that those field names were defined.

Thanks,
Tommy Holden



From:
Alan Shore <AlanShore@xxxxxxxx>
To:
RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>
Date:
02/28/2008 02:32 PM
Subject:
Cant see the wood for the trees



Hi everyone
first of all, let me just say that I don't really know what question

I

want
answered here.
Now if you understand that statement.
If you are sitting comfortably, then I'll begin.
I had made a change to an existing program, so that the output file

would

be qualified

FFilename if a e k disk prefix('P99')

with

D P99 E DS Extname(Filename)
D QUALIFIED

with all the necessary changes to the fields of that file

P99.filename1
P99.filename2
etc. etc.

Once I finally compiled error-free, I tested the program and lo-and
behold,
the file was produced with a number of records - but every field

name,

on

every record was clear, empty, devoid of data.
I re-ran the test in debug mode, and EVALing every field (eval
P99.filename1, eval P99.filename2 etc ) before the write, showed me

that

data was in each and every field, but once again - empty fields on

every

record.
Now for the astute people out there, I can here you all shouting "YOU
FORGOT THE PERIOD ON THE PREFIX, YOU @#$%^&*()"
Hence the subject title. Did not see that for literally HOURS.
Once the problem dawned on me, someone said that the look on my face

was

as
if the bird of paradise had flown up my butt. (Her words not mine)
I suppose my question is "Why did this compile in the first place?"
or something like that
Thanks for letting a now-deranged man get this off of his chest



Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx
"If you're going through Hell, keep going" - Winston Churchill
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