RE: Does Qcmdexc return an error ??

I've used this in the past.



D/COPY QSYSINC/QRPGLESRC,QUSEC

* Defined Fields Used For Return Variables
D/COPY QSYSINC/QRPGLESRC,QUSROBJD

D ChkObj PR ExtPgm('QUSROBJD')
D ReturnVaribl 527
D ReturnLen 9B 0
D FormatName 8 CONST
D Obj_Lib 20 CONST
D ObjType 10 CONST
D ErrorParm 16

D ReturnVaribl S 527
D ReturnLen S 9B 0 Inz(%Size(ReturnVaribl))
D FormatName S 8 Inz('OBJD0400')
D Obj_Lib S 20 Inz('MPPMP100 DXGO ')
D ObjType S 10 Inz('*USRPRF ')

C Eval QUSBPRV = %Size(QUSEC)

C CallP ChkObj( ReturnVaribl :
C ReturnLen :
C FormatName :
C Obj_Lib :
C ObjType :
C QUSEC )
C If QUSERVED <> ' '
* Error Occured
C Dump
C Else
* No Error Occured
* Load Object Information Fields
C Eval QUSD0400 = ReturnVaribl
C EndIf

* End Program
C Eval *InLr = *On


Michael Schutte
Admin Professional
What's the secret? Find out at your Bob Evans Restaurant on May 17!


rpg400-l-bounces@xxxxxxxxxxxx wrote on 05/30/2007 08:34:54 AM:

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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