If you are configured for an automatic EOF on new files, then Allocation writes the EOF before your application gets control; there is no OPEN involved.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Charles Mills <charl...@mcn.org> Sent: Monday, August 26, 2019 12:03 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: SMF PUZZLE Interesting hypothesis. Should be easy enough to verify. Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Ron Hawkins Sent: Sunday, August 25, 2019 11:25 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: SMF PUZZLE All, Could it be that the EOF mark on the file is a DADSM function outside of the control of the program, and that is why there is no SMF record from an unopened, empty data set? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN