On Sat, 11 Nov 2023 19:03:01 -0800, Ed Jaffe wrote: >On 11/11/2023 6:40 PM, Paul Gilmartin wrote: >> On Sun, 12 Nov 2023 02:16:07 +0000, Seymour J Metz wrote: >> >>> Solves what problem? Unix doesn't have records, so you have to impose your >>> own record structure and tell seek the byte offset. >>> >> He said FB. That makes the calc simple. > >FB allows short blocks. FBS would be needed to do true skip-sequential. > He said "Unix". In UNIX there are no short blocks, even if the file has been appended repeatedly.
(I was focusing on the "F", not the "B". QSAM/BSAM write to a UNIX file loses the block boundaries.) -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN