<https://www-40.ibm.com/servers/resourcelink/svc00100.nsf/pages/zOSV2R5sa231368/$file/ieaa600_v2r5.pdf#page=52>

" If the PARM field was omitted in
the EXEC statement, the count is set to zero."

________________________________________
From: IBM Mainframe Discussion List <[email protected]> on behalf of 
Paul Gilmartin <[email protected]>
Sent: Wednesday, April 5, 2023 11:46 AM
To: [email protected]
Subject: Re: JCL EXEC PARM= default?

On Wed, 5 Apr 2023 15:22:14 +0000, Seymour J Metz wrote:

>For EXEC PROC=, the default is no PARM override. For EXEC PGM=, the default is 
>an empty string.
>
>
That was my guess.  Where did you find that documented?

>________________________________________
>From:  Paul Gilmartin
>Sent: Wednesday, April 5, 2023 11:17 AM
>
>What's the default value for the optional PARM= on the JCL EXEC statement?
>It doesn't appear in the JCL Ref.  (haven't checked the cited "Assembler 
>Services Guide.")

--
gil

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