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  3. October 2003

RE: authority question....

Hi Rob,

I recall that I built a CL command in a string-variable, then used the CALL
opcode to invoke QCMDEXC - the parms being the string and string-length.  Is
this not a good way to exec the odd o/s command?  Is this not considered as
allowing rpg to 'handle itself' ?

As I said, I'm no rpg programmer ... so I'm willing to be educated ;-)

Kind regards,

Jeffrey E. Bull
OS400 Software Support Consultant

IBM Certifiied iSeries System Implementation Expert
IBM Certified AS/400 System Administrator 

tel.      +44 [0] 149 454 9533               swb.   +44 [0] 149 454 9400
mbl.     +44 [0] 786 750 4961               fax.    +44 [0] 149 454 9454
web.     http://www.itm-group.co.uk
 
ITM Group Ltd, Latimer Square, White Lion Road, Amersham, Buckinghamshire,
HP7 9JQ, United Kingdom


-----Original Message-----
From: rob@xxxxxxxxx [mailto:rob@xxxxxxxxx]
Sent: 10 October 2003 15:37
To: Midrange Systems Technical Discussion
Subject: RE: authority question....


Jeff,

Not CL phobics.

However, why not let RPG handle itself?  When you do it that way you don't 
have to worry about what level of scoping to apply on using QCMDEXC's 
OVRDBF and other functions.  And I think it will be a touch more readable.

Remember I said "who 'NEEDS'".  Granted the other ways may work, (then 
again they may not if you take an OPM and use CVTRPGSRC), but this way 
seems, to me anyway, to be a little more straightforward.

Rob Berendt
-- 
"They that can give up essential liberty to obtain a little temporary 
safety deserve neither liberty nor safety." 
Benjamin Franklin 




Jeff Bull <Jeff.Bull@xxxxxxxxxxxxxxx> 
Sent by: midrange-l-bounces@xxxxxxxxxxxx
10/10/2003 08:26 AM
Please respond to
Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>


To
"'Midrange Systems Technical Discussion'" <midrange-l@xxxxxxxxxxxx>
cc

Subject
RE: authority question....






Hi all,
                 I just thought I'd butt in on this one.  Do we have some 
CL-phobiacs
among our ranks :-)

Now I'm no RPG specialist (thank G), however, in a dark recess of my mind,
from many years ago ...

I recall that there is an Opcode that allows CL command strings to be
executed directly from within RPG.
IIRC - this is precisely what I used it for - file overrides.
Is this feature no longer available ?

I can understand why you might not want the hassle of a CL-wrapper for 
your
RPG.


Kind regards,

Jeffrey E. Bull
OS400 Software Support Consultant

IBM Certifiied iSeries System Implementation Expert
IBM Certified AS/400 System Administrator 

tel.      +44 [0] 149 454 9533               swb.   +44 [0] 149 454 9400
mbl.     +44 [0] 786 750 4961               fax.    +44 [0] 149 454 9454
web.     http://www.itm-group.co.uk
 
ITM Group Ltd, Latimer Square, White Lion Road, Amersham, Buckinghamshire,
HP7 9JQ, United Kingdom


-----Original Message-----
From: rob@xxxxxxxxx [mailto:rob@xxxxxxxxx]
Sent: 10 October 2003 14:18
To: Midrange Systems Technical Discussion
Subject: Re: authority question....


WRKOBJ seems to only show you the one you have access to.

We had a person who had two copies of the file in their library list. They 

called a program to use it and it bombed.  They did a WRKOBJ and used 
option 5 and it looked ok.  I went over to their session and instead of 
using WRKOBJ I used DSPOBJD *libl/object and it bombed.  That's how we 
found out they had two in their library list.

Instead of implicitly opening the program in your program (if you are 
using RPG) open it explicitly.  Then check the status code on the open. If 

it fails because you do not have authority, then call an api to list this 
object in your library list.  Process that user space to find the desired 
object.  Then change the variable used in the EXTFILE keyword to point to 
this new file.  Who needs CL and overrides for this?

Rob Berendt
-- 
"They that can give up essential liberty to obtain a little temporary 
safety deserve neither liberty nor safety." 
Benjamin Franklin 
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