Yes, multiple logicals or a physical and a logical.
Or even better - use sql for accessing your files.
Paul
-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of James H.
H. Lampert
Sent: Wednesday, April 22, 2020 2:09 PM
To: RPG programming on the IBM i / System i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Having the same file open twice in an RPG program
I have a situation, with a header file, FOO, and a line-item file, BAR, in
which I need to have both files open twice in the same program. It seems
that there are some 92000 cases in which the same header appears twice, and
(presumably) each has an identical set of line-item records.
As it happens, I can (and indeed, *must*) have two different logicals open
on FOO, in order to be positioned to both of the mutually redundant headers.
But for each of those pairs, I also need to run through the line items, in
order to compare the line items of one to the line items of the other.
I can't recall ever being able to have the same file open twice in an RPG
program, other than by having two different LFs on the same PF.
Is there something I'm not aware of?
--
JHHL
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