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  1.  Home
  2. RPG400-L
  3. October 2006

Re: Using RRN 0 to do Setll on arrival sequence file

Yes, but the manual quite clearly states that SETLL "positions a file at the next record that has a key or relative record number that is greater than or equal to the search argument (key or relative record number).
I don't think there's any argument that the SETLL was not successful, and therefore %EOF is on after the read.
I think the question we should all be asking is why was the SETLL not successful. The documentation quite clearly states it will position to the next relative record number that is greater. 1 is clearly greater than 0... 

I'm with Lim here. This sounds like a misbehaving op code...

Crispin.
----- Original Message ----- From: "Alan Shore" <AlanShore@xxxxxxxx> 
To: "RPG programming on the AS400 / iSeries" <rpg400-l@xxxxxxxxxxxx>
Sent: Friday, October 20, 2006 10:20 AM
Subject: RE: Using RRN 0 to do Setll on arrival sequence file



Okay Lim, then I have to agree with what Kurt responded with. An RRN of 0,
well no record exists, therefore (as per the IBM manual) the file is set to 
end-of-file
condition, and is positioned AT the end-of-file. From this, you therefore
CANNOT  use an RRN of 0.



Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx
rpg400-l-bounces+alanshore=nbty.com@xxxxxxxxxxxx wrote on 10/20/2006
10:08:18 AM:


Yes.  The first record has RRN of 1.

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx
[mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Alan Shore
Sent: Friday, October 20, 2006 9:11 AM
To: RPG programming on the AS400 / iSeries
Subject: RE: Using RRN 0 to do Setll on arrival sequence file

Unfortunately you haven't really answered my question.
Can you physically look at the file in question? Is the first record rrn
of
1 or rrn of 2.
Sounds a stupid question, I know, but please humor me



Alan Shore

NBTY, Inc
(631) 244-2000 ext. 5019
AShore@xxxxxxxx

rpg400-l-bounces@xxxxxxxxxxxx wrote on 10/20/2006 09:53:25 AM:

> Yes.  Below is the actual test program.
> In debug mode, eof gets set to *on and eof1 gets set to *off.
>
> FBLPCUM    IF   E             DISK
>
> D eof             s               n
> D eof1            s               n
>
> C     0             setll     BLPCUM
> C                   read      BLPCUM
> C                   eval      eof = %eof
>
> C     1             setll     BLPCUM
> C                   read      BLPCUM
> C                   eval      eof1 = %eof
>
> C                   eval      *inlr = *on
>
> -----Original Message-----
> From: rpg400-l-bounces@xxxxxxxxxxxx
> [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Alan Shore
> Sent: Friday, October 20, 2006 8:52 AM
> To: RPG programming on the AS400 / iSeries
> Subject: RE: Using RRN 0 to do Setll on arrival sequence file
>
> In your file, do you have a record with rrn of 1?
>
>
>
> Alan Shore
>
> NBTY, Inc
> (631) 244-2000 ext. 5019
> AShore@xxxxxxxx
>
> rpg400-l-bounces@xxxxxxxxxxxx wrote on 10/20/2006 09:26:31 AM:
>
> > Yes.  I read the documentation and at that time I thought, and still

> > think, that is a wrong statement because one of the main purpose of
> > setll is to set the cursor to the record that has the equal to or
> > the next closest key value.
> >
> > That statement seems to say that if there is no record that has the
> > same key value in the file, setll will set the cursor to the end of
> > the file position, which I think is a wrong statement.
> >
> > -----Original Message-----
> > From: rpg400-l-bounces@xxxxxxxxxxxx
> > [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of
> > vhamberg@xxxxxxxxxxx
> > Sent: Thursday, October 19, 2006 5:38 PM
> > To: RPG programming on the AS400 / iSeries
> > Subject: RE: Using RRN 0 to do Setll on arrival sequence file
> >
> > Yes, I think it is at least recommended - I would not have used the
> > %eof to test what is done here. But this from the documentation is
> > interesting and answers both the original question and this one:
> >
> > "If the SETLL operation is not successful (no records found
> > condition), the file is positioned to the end of the file."
> >
> > --
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