That's a good add. When I retired, we were still stuck on 7.2 but I used to use CEETSTA extensively in CL & RPG to check missing/omitted/optional parameters. I was building a lot of command interfaces at the time.
Roger Harman
COMMON Certified Application Developer - ILE RPG on IBM i on Power
-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Mark Waterbury
Sent: Wednesday, June 11, 2025 9:10 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Optional parameter on CL Program
Greg,
You may have easily missed its introduction, as it was slipped in as part of some TR level of IBM i 7.3, with PTF SI66721, so during the middle of the lifetime of V7R3.
Mark S. Waterbury
On Wednesday, June 11, 2025 at 11:49:58 AM EDT, Greg Wilburn <gwilburn@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
Beautiful! Thank you Dan!
I don't know how I missed the %parms() function in CL...
-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Dan Bale
Sent: Wednesday, June 11, 2025 10:27 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Optional parameter on CL Program
Use %parms() function:
PGM Parm( &pONorOFF &pWrkCfgSts )
Dcl &pONorOFF *char Len( 4 )
Dcl &pWrkCfgSts *char Len( 4 )
Dcl &ONorOFF *char Len( 4 )
Dcl &WrkCfgSts *char Len( 4 )
/* Set &ONorOFF variable based on parm being passed or not. */
If ( %parms() > 0 ) Then( Do )
ChgVar &ONorOFF &pONorOFF
Enddo
Else ( Do )
ChgVar &ONorOFF '*ON'
Enddo
/* Set &WrkCfgSts variable based on parm being passed or not. */
If ( %parms() > 1 ) Then( Do )
ChgVar &WrkCfgSts &pWrkCfgSts
Enddo
Else ( Do )
ChgVar &WrkCfgSts '*NO'
Enddo
- Dan Bale
-----Original Message-----
From: RPG400-L <rpg400-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Greg Wilburn
Sent: Wednesday, June 11, 2025 10:20 AM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Optional parameter on CL Program
I have a CL program that is called by many other programs. It currently accepts a single parameter, but I would like to add a second parameter w/out having to change all of the calling programs.
I have thought of a few ways to do this, but wanted to see if I'm missing any other angles.
1. Simply create a copy of the CL pgm that accepts a second parameter
2. Add the parameter and monitor for a message
3. Create an RPG program of the same name and "wrap" that around a renamed version of the CL pgm
Thx,
Greg
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