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  • Subject: RE: Checking Calling Program!!!!
  • From: "Bale, Dan" <DBale@xxxxxxxxxxxxxxxx>
  • Date: Thu, 23 Mar 2000 12:20:23 -0500

My method is not "foolproof", but to ensure against a casual mistake, I pass
a hardcoded, lengthy parameter from PGMCL to PGMR, i.e.:

In the CL:

       CALL  PGMR PARM('Program PGMR can only be called from PGMCL!')

In the RPG:

     I              'Program PGMR can onl-C         @CLCHK 
     I              'y be called from-                     
     I              ' PGMCL!'                              
     C           *ENTRY    PLIST                           
     C                     PARM           $CLCHK 50        
     C           $CLCHK    IFNE @CLCHK                     
      * THEN TAKE DESIRED COURSE OF ACTION...              

Most likely, no one will ever mistakenly call PGMR using the correct
parameter.

HTH,
- Dan Bale

-----Original Message-----
From: Shepherd Chacko (RBIN/COP) [mailto:Shepherd.Chacko@in.bosch.com]
Sent: Thursday, March 23, 2000 10:02 AM
To: 'RPG400-L@midrange.com'
Subject: Checking Calling Program!!!!


Hi All,

In one of our application, we have an RPG Program say PGMR which is called
by a CL Program say PGMCL. If i want to ensure that PGMR  is called by PGMCL
alone and not directly from command line or from any other program, how will
i check this in the called Program ie PGMR..

Thanx in advance

Shepherd P Chacko
Robert Bosch,
India.
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