RE: likerec by extname from copybook

Arco,

I probably should have included the following in my previous post.
These data structures are declared in the service program.
D IvO01I          Ds                  LikeRec(IvO01 : *Input )
D IvO01K          Ds                  LikeRec(IvO01 : *Key   )
D IvO01O          Ds                  LikeRec(IvO01 : *OutPut)

And the chain is done as such:
Chain(E) %KDs(IvO01K) IvO01 IvO01I;  

One thing to be aware of that I had didn't know (but probably should have).
Filling/changing any one of these data structures does not do anything to
the others.
For example, after you successfully chain to the file, the only data
structure that reflects the new data is the one declared as " *Input ".
The others are just as they were before the chain. This is a great feature
with lots of possible uses. And if IBM gives us the 'eval corresponding'
function Bob Cozzi is suggesting, it will be even better!!!


HTH

Tim Kredlo.



-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx]
On Behalf Of Simonse, Arco (CMK)
Sent: Friday, May 20, 2005 11:47 AM
To: RPG programming on the AS400 / iSeries
Subject: RE: likerec by extname from copybook


Tim and Jon,

Thanks for your answers. I know that the manual for V5R2 isn't correct. Have
readed this on previous postings.

What I hoped to do is to define a template datastructure in my D-specs
copybook what calling programs should use when calling the I/O routine. The
only place where I want to have F-specs is in my serviceroutines. That's why
I tried to use the copybook DS on my LIKEREC definition.

When I replace my LIKERECs with LIKEDS keywords, just like you Tim, then I
cannot chain directly into the datastructure because that requires the use
of LIKEREC. I'm curious how you solved this Tim.

Thanks, Arco.
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