The UPDAT option of OPEN is fully supported for PDS and PDSE. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Paul Gilmartin <[email protected]> Sent: Thursday, August 22, 2024 3:18 PM To: [email protected] Subject: Re: Simple Rexx question On Thu, 22 Aug 2024 18:33:10 +0000, Billy Ashton wrote: > . >For output: >to a PDS member with data: BPX was 95% faster 100% of the time (I guess >there was a lot of work to set the EOF pointer and such) > ... Update-in-place PDS member? I understand this was done for UADS to obviate the need for compressing a perpetually open data set. How? BLDL; POINT; WRITE? I'd be surprised if that works for PDSE. It appears that greater design attention has been paid to the more recent facility. -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
