Re: looking for an example of lookahead fields

[Jerry Adams <jerry@xxxxxxxxxxxxxxx>]

Yes, but you have to give the fields different names.  Such as, FLDNAM 
for the current record's field and LAFLD for the look ahead field.


        * Jerry C. Adams
*IBM System i5/iSeries Programmer/Analyst
B&W Wholesale Distributors, Inc.* *
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Charles St-Laurent wrote:

> Hi!
>
> Suppose I have a Input Primary file that is program described and I want to
> know the current record value of the field and the next record value of the
> same field, is it possible to do it with a lookahead indicator?
>
> Charles
>
> "BILL FRANCIS" <bill@xxxxxxxxxxxxxxxxxxxxx> a
> écrit dans le message de
> news:20061121195302.MKXE9790.imta01a2.registeredsite.com@xxxxxxxxxxx
>  
>
> > Opps... ** replaces the indicator not NS or AA, my bad.
> >
> >
> > -----Original Message-----
> > From: BILL FRANCIS
> >    
> [mailto:bill@xxxxxxxxxxxxxxxxxxxxx]
>  
>
> > Sent: Tuesday, November 21, 2006 2:56 PM
> > To: 'rpg400-l@xxxxxxxxxxxx'
> > Subject: RE: looking for an example of lookahead fields
> >
> > Charles,
> >
> > That's easy. Put this in your I-SPECS directly below where you described
> >    
> the
>  
>
> > file:
> >
> > I         AA  **
> > I                             1    1  FIELDNAME
> >
> > That's all you have to do.
> >
> > Anytime you reference FIELDNAME it will refer to the record which is
> >    
> stored
>  
>
> > in the input area but has not been moved to the processing area to be
> > processed in the normal RPG cycle.
> >
> > It's the ** instead of NS or AA that denotes the field as a look ahead.
> >
> > Hope that helps!
> >
> > -Bill
> >
> >
> >
> >
> > -------------
> > message: 5
> > date: Tue, 21 Nov 2006 14:32:24 -0500
> > from: "Charles St-Laurent"
> >    
> <dringpiece@xxxxxxxxxxx>
>  
>
> > subject: looking for an example of lookahead fields
> >
> > Hi!
> >
> > I'm looking for a RPG program that uses lookahead indicator ** with a
> > program described file. I searched on the IBM information center and I
> >    
> found
>  
>
> > no sample code using this functionality...
> >
> > Is there any old programmer here that still know how to use it?
> >
> > Charles
> > -------------
> >
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> >    
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>
>