Wrong on both counts. It is remotely like an image of a deck of punched cards and it has all of the flexibility of RECFM=VB. It's worked well for, e.g., PL/I, for decades, even though IEBUPDTE doesn't support it.
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Assembler List <[email protected]> on behalf of Paul Gilmartin <[email protected]> Sent: Tuesday, December 12, 2017 5:53 PM To: [email protected] Subject: Re: Any real need for sequence numbers in 73-80 any more? On 2017-12-12, at 15:41:37, Seymour J Metz wrote: > The obvious way to support RECFM=VB is for the first 8 columns after the RDW > to be the sequence number. > Obvious, and obviously wrong. That's just a RECFM=VB image of a deck of punched cards with none of the flexibility of variable length. -- gil
