Answer Posted / cj

Instream data cannot be given in catalogued procedures.
They can be coded in main jcl or instream procedures only.

So code a catalogued proc named PROC1 as given in eg. below:

//PROC1 PROC
//STEP1 EXEC PGM=progname (prog. that needs instream data)
//DATA1 DD DDNAME=SYSIN,DCB=(BLKSIZE=80,BUFNO=3)

In main JCL, execute this catalogued procedure, but
override the ddname DATA1 with your instream data. Code as
given in eg. below:

//STEPA EXEC PROC1
//DATA1.SYSIN DD *
{lines of data}
/*

I hope this helps.

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