RE: Does Qcmdexc return an error ??

You have two choices:

1) Receive the error using the QMHRxxxx APIs to retrieve the last message.
2) Use the QUSROBJD API to first check if the file exists.
I use QUSROBJD in my CHKOBJEXIST() subprocedure, but calling it and then
checking the QUSEC return data structure for the CPF98xx message for a not found
condition would work just fine.

-Bob Cozzi


-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On
Behalf Of derek gonsalves
Sent: Wednesday, May 30, 2007 7:35 AM
To: rpg400-l@xxxxxxxxxxxx
Subject: RE: Does Qcmdexc return an error ??


Sorry Joe,

I guess i typed it wrong.
My from file and to file are the same.
OVRDBF FILE(MPPMP100) TOFILE(DXGO/MPPMP100)
The requirement of my program is that, if file MPPMP100 does not exist in
DXGO, then an error message should be written to the printer file.Any
suggestions for this??

From: "Joe Pluta" <joepluta@xxxxxxxxxxxxxxxxx>
Reply-To: RPG programming on the AS400 / iSeries <rpg400-l@xxxxxxxxxxxx>
To: "'RPG programming on the AS400 / iSeries'" <rpg400-l@xxxxxxxxxxxx>
Subject: RE: Does Qcmdexc return an error ??
Date: Wed, 30 May 2007 07:29:55 -0500

From: derek gonsalves

Hi,

I have a Qcmdexc statement in a program.
OVRDBF FILE(ABC) TOFILE( )
Now for eg.
the TOFILE is DXGO/ABC. If MPPMP100 does not exist in DXGO, can i

capture

this error?(Or is there any other way of doing it)

Derek, the override command (OVRDBF) doesn't actually check for the file.
It simply tells the operating system that any programs trying to open file
ABC should instead open MPPMP100 in DXGO. (I assume you meant that your
TOFILE is DXGO/MPPMP100.)

An error doesn't actually occur until a program tries to open file ABC. At
that point, the operating system sees the override and attempts to open the
TOFILE. Typically, this is when your RPG program first loads (or if you
have defined the USROPN keyword for the file, it happens when you issue the
OPEN opcode to the file).

The easiest way to handle this is probably with a USROPN file. You could
put an error indicator on your OPEN statement, or put a MONITOR block
around
it.

Joe

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