Nice! And I'd bet similar programs are all over the place, just not
standardized. For example, I was told to write something similar in the
1990's for the COBOL programmers to use. Date conversion, finding
Christmas, things like that. I gave up at Easter.
Has anybody mentioned running the date command under USS, such as:
date -d '20250101' +%A
On 4/19/2025 8:42 AM, Russell Witt wrote:
Another option would be to use exploit a third-party product. If you have either CA 1 or TLMS
installed as your Tape Management system, both have a set of macros that can do all kinds of date
processing (add days, calculate the number of days between 2 dates, subtract days). And on of the
things we do with date is to "expand" them; which means turning 2025/001 into
"Wednesday, January 1st 2025". So you can get the character form of any date you supply.
Russell Witt
Broadcom
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf
Of Jousma, David
Sent: Friday, April 18, 2025 10:50 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Day of week from a program
You are correct, but It appeared to me that Joe was looking to calculate from
current time.
Dave Jousma
Vice President | Director, Technology Engineering
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> on behalf of Paul
Gilmartin <0000042bfe9c879d-dmarc-requ...@listserv.ua.edu>
Date: Friday, April 18, 2025 at 11:47 AM
To: IBM-MAIN@LISTSERV.UA.EDU <IBM-MAIN@LISTSERV.UA.EDU>
Subject: Re: Day of week from a program
On Fri, 18 Apr 2025 15:39:20 +0000, Jousma, David wrote:
Again, why not query system symbol &LWDAY, instead of trying to
calculate?
https://urldefense.com/v3/__https://www.ibm.com/docs/en/zos/3.1.0?topic
=1-operation__;!!MwwqYLOC6b6whF7V!jjjrXaNBrDWXcSdx7cFjZJ6KViua-LtCTaLj0
FFh6e8ju61hiinUQe2J-nNMkM9SPgyeZloX_lDLpkxv2c9Gi2OH42t1D-VqqDo$<https:/
/urldefense.com/v3/__https:/www.ibm.com/docs/en/zos/3.1.0?topic=1-opera
tion__;!!MwwqYLOC6b6whF7V!jjjrXaNBrDWXcSdx7cFjZJ6KViua-LtCTaLj0FFh6e8ju
61hiinUQe2J-nNMkM9SPgyeZloX_lDLpkxv2c9Gi2OH42t1D-VqqDo$>
What if one needs the day of week corresponding to an archival timestamp?
--
gil
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