Sequence numbers could also be used for implementing a new release of vendor software that had been customized by in-house modifications. By comparing the old/new/in-house code you could identify which programs needed no conversion effort. which programs could be automatically adapted to the new release, which needed no code changes, and those that required manual interpretation of the releases changes versus in-house modifications.

separately. SYSLOG still has a 133 record length left over from the 360 days when the console was a 1050 typewriter using pin-fed green-bar paper. Though SAMPLIB(IEAMDBLG) can be modified to provide SYSLOG from OPERLOG with a longer record length and do away with split lines.

Michael

At 08:38 AM 11/8/2023, Bob Bridges wrote:
Ok, Shmuel, I'm curious.  Dropped decks are the only reason I ever heard,
back when I was a $HASP operator.  What's the more important reason?

(Mostly when customers brought huge decks of cards, two or three or four
boxes sometimes, each card was a single row of a database, so the order
didn't necessarily matter.  But with program code, sure.)

---
Bob Bridges, robhbrid...@gmail.com, cell 336 382-7313

/* You know you've had too much coffee when....
        Juan Valdez names his donkey after you.
        You've worn out the handle on your favorite coffee mug.
        Your eyes stay open when you sneeze. */

-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of
Seymour J Metz
Sent: Wednesday, November 8, 2023 07:26

People were using sequence numbers for editing before SPF. Dropped decks is
but one of several reasons, and, IMHO, not the most important.

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