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Rick

That's true for a file listed in a global F-spec - I don't remember right now, but doesn't V6R1 allow F-specs to be local to a procedure? Are the field names then local, as well?

Can't work there yet - gotta stay back a little on releases. For good reason, BTW.

Vern

Rick.Chevalier@xxxxxxxxxxxxxxx wrote:
David,

I'm not sure I'm completely understanding either but I'll give it a shot.

By default all variables defined in a procedure are local. Therefore, P2 cannot touch data in P1. If, however, you are referring to fields from a file then those are global and could be touched by both P1 and P2. I don't have a good answer for how to keep them from updating the same fields. That sounds like more of a design issue to me.

Generally, I try to place all updates for a file into a single procedure. That way it is only updated in one place.

A new design we are just starting to work with is passing a data structure based on the file to a procedure that updates one or more values in the data structure and passes it back. After all the procedures have been called to perform the updates a procedure is called to actually update the file.

HTH,

Rick

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of David FOXWELL
Sent: Tuesday, September 08, 2009 3:06 AM
To: RPG programming on the IBM i / System i
Subject: RE: How to test a service program

Carel thanks but my messge was obviously not clear, judging from the number of responses.

To summarize :

How do you store the results of a test on a service program? Does one program execute the tests on all of the procedures one after another? How do you store the results and compare them with the previous test?

If the test program runs one procedure after another, how do you know that at the end of the test, procedure 2 hasn't touched the data of the first procedure?
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