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data passing from JCL to PL/I pgm using PARM parameter

 
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i413678
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Joined: 28 Jan 2005
Posts: 4
Topics: 3
PostPosted: Fri Jan 28, 2005 3:36 am    Post subject: data passing from JCL to PL/I pgm using PARM parameter Reply with quote
Hi,

I want to pass the data from JCL to PL/I through PARM parameter.

I want to receive the data sent from PARM parameter into more than one variable in PL/I program.

Can any one help.

Advance Thankx.

Regards,
Pavan
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kolusu
Site Admin
Site Admin


Joined: 26 Nov 2002
Posts: 12378
Topics: 75
Location: San Jose
PostPosted: Fri Jan 28, 2005 6:39 am    Post subject: Reply with quote
i413678,

Try this. In this pgm I am trying to pass a 50 byte value via parm and I am moving it to 2 different variables viz.. Ws-var1 and ws-var2

Code:

PLIPGM: PROC(INPARMS) OPTIONS(MAIN) ;

DCL INPARMS                 VAR CHAR(50);
DCL 1 PARMS                 BASED(ADDR(INPARMS)),
       2 PARM_LENGTH        FIXED BINARY(15) INIT(0),
       2 PARM_VAR           CHAR(50);

DCL WS_VAR1                  CHAR(50);
DCL WS_VAR2                  CHAR(50);

  WS_VAR1  = PARM_VAR;
  WS_VAR2  = PARM_VAR;



JCL :

Code:

//STEP0100 EXEC PGM=PLIPGM,PARM='MY PARMS FOR LENGTH OF 50 BYTES'


Hope this helps...

Cheers

Kolusu
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iklingen
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Joined: 11 Feb 2005
Posts: 5
Topics: 2
PostPosted: Mon Feb 14, 2005 3:19 am    Post subject: Reply with quote
Another variant. You can pass to your program a string with pairs 'my_var1=value1,my_var2=value2,...' and parse it:
Code:

my_prm: proc(param) options(main);
   dcl (param, pair, var, val) char(100) var;
   dcl ind                     fixed(15,0);
   dcl my_var1 ...;
   dcl my_var2 ...;
   ...

   do while( length(param) );
      ind = index( param, ',' );
      if ind = 0 then do;
         pair  = param;
         param = '';
         end;
      else do
         pair = substr( param, 1, ind-1 );
         substr( param, 1, ind ) = '';
      end;

      ind = index( pair, '=' );
      if ind > 0 then do;
         var = lowercase( substr( pair, 1, ind-1 ) );
         val = substr( pair, ind+1 );
         select( var );
            when('my_var1') do; my_var1 = ...val...; end;
            when('my_var2') do; my_var2 = ...val...; end;
            ...
         end;
      end;
   end;

   ....
   
end;


Regards,
Igor
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