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Re: VAX emulation/simulation (was Re: systemd-timesyncd)

From "Jeremy Nicoll" <jn.ml.dbi.73@letterboxes.org>
Newsgroups linux.debian.user
Subject Re: VAX emulation/simulation (was Re: systemd-timesyncd)
Date 2024-01-08 11:40 +0100
Message-ID <HTVcZ-1EC0-1@gated-at.bofh.it> (permalink)
References (10 earlier) <HTIpr-1w9s-5@gated-at.bofh.it> <HTKhz-1xgW-3@gated-at.bofh.it> <HTLQm-1yiN-7@gated-at.bofh.it> <HTMjn-1yHg-1@gated-at.bofh.it> <HTUgW-1E48-7@gated-at.bofh.it>
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On Mon, 8 Jan 2024, at 09:17, Bret Busby wrote:

> But, apart from the functionality that I have not seen in any other 
> operating system, of using an extra file descriptor of version number, 
> so the whole filename would be something like
> <filename>.<extension>;<version number>

IBM's MVS & its successors, most recently z/OS, have something 
similar called a GDG (or Generation Data Group).

It's handed via system catalogs - which are the indexes which tell
you where specific files are.  Dataset names do not contain disk
(or tape, or virtual tape) names and don't have the sort of 
hierarchical names relating to a root & mount point like most
files in Linux.

For a lot of files the catalogs say which disk a file is currently on
& the disk's "VTOC" - volume table of contents - says where on
the disk that file is.

Anyway if one defines eg 

  DEFINE GENERATIONDATAGROUP -
      (NAME(PQR.TEST.THIS) LIMIT(8) SCRATCH NOEMPTY)

then the system will maintain 8 separate copies of a file
named "PQR.TEST.THIS".  

You can refer to the newest created one as PQR.TEST.THIS(0)
or the next oldest by PQR.TEST.THIS(-1) or its ancestor by
PQR.TEST.THIS(-2) etc.  You can refer to the whole lot (so 
eg to read all the contents of as many of these files as
happen to exist at some point in time) simply by leaving
the (n) part off the name.

To create a new file you refer to PQR.TEST.THIS(+1); after
you finish using the file the system throws away the very 
oldest one & rejigs its index of them all so this latest one
is now able to be referred to via (0) - and the specific 
files previously referred to by -1, -2, -3 etc all shift up by
one.

For the whole duration of the process that creates a new
generation of such a file, the index of subsidiary versions 
is locked so that no other process can simultaneously
create new ones or delete any of them (ie not just delete
the one about to be the oldest, no longer required one).

The files are typically used for storing chunks of 
continuously occurring data, eg transactions or logs. You
might start each business day with no files in such a GDG
then accumulate any number of successive tranches of some
sort of transaction data in them, then - perhaps at the end
of day process the whole lot into one "daily" file & reset 
the GDG ready for the next day's processing.  You might 
then have a set of daily GDGs which get merged into 
weekly files, monthly ones etc.

You can also find out the internal name by which a 
specific generation of the file is named & refer to it
directly, eg PQR.TEST.THIS.G00
- thus meaning one doesn't have to know such a file's
relationship to the successive generation structure.

Back in the 1990s when I last used these there could be
up to 255 or so files in each GDG.  That limit might have
increased since then.

Ref: https://www.ibm.com/docs/en/zos/2.2.0?topic=files-processing-generation-data-groups

-- 
Jeremy Nicoll - my opinions are my own.

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Thread

difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-17 11:20 +0100
  Re: difference in seconds between two formatted dates ... Andy Smith <andy@strugglers.net> - 2023-12-17 12:00 +0100
    Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-17 12:10 +0100
      Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-17 16:30 +0100
        Re: difference in seconds between two formatted dates ... "Andrew M.A. Cater" <amacater@einval.com> - 2023-12-17 17:00 +0100
        Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-17 17:10 +0100
        Re: difference in seconds between two formatted dates ... Andy Smith <andy@strugglers.net> - 2023-12-17 17:40 +0100
          Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-17 23:50 +0100
          Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-18 00:10 +0100
            Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-18 01:40 +0100
              Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-18 02:20 +0100
                Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-18 07:00 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-18 07:10 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-18 13:20 +0100
                Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-18 14:10 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-18 14:20 +0100
                date can't parse its own output was: difference in seconds between  two formatted dates ...) <tomas@tuxteam.de> - 2023-12-18 14:40 +0100
                Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-18 19:40 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-18 20:20 +0100
                Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-20 07:10 +0100
                Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-20 08:40 +0100
                Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-21 06:00 +0100
                Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-21 06:40 +0100
                Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-22 02:30 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-21 13:20 +0100
                RTC and (old) Windows [was: difference in seconds between two  formatted dates ...] <tomas@tuxteam.de> - 2023-12-21 13:30 +0100
                Re: RTC and (old) Windows [was: difference in seconds between two  formatted dates ...] David Christensen <dpchrist@holgerdanske.com> - 2023-12-21 23:30 +0100
                Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-22 02:40 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-22 04:10 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-20 08:50 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-20 13:20 +0100
                Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-20 13:40 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-20 14:20 +0100
                Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-20 14:40 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-20 16:10 +0100
                Re: difference in seconds between two formatted dates ... Nicolas George <george@nsup.org> - 2023-12-20 16:30 +0100
                systemd and timezone (was: Re: difference in seconds between two  formatted dates ...) Max Nikulin <manikulin@gmail.com> - 2023-12-21 04:50 +0100
                Re: systemd and timezone (was: Re: difference in seconds between two  formatted dates ...) <tomas@tuxteam.de> - 2023-12-21 07:00 +0100
                Re: systemd and timezone Max Nikulin <manikulin@gmail.com> - 2023-12-21 17:10 +0100
                Re: systemd and timezone Nicholas Geovanis <nickgeovanis@gmail.com> - 2023-12-22 02:00 +0100
                Re: systemd and timezone Andy Smith <andy@strugglers.net> - 2023-12-22 13:50 +0100
                Re: systemd and timezone (was: Re: difference in seconds between two  formatted dates ...) Jeffrey Walton <noloader@gmail.com> - 2023-12-21 17:30 +0100
                Re: systemd and timezone (was: Re: difference in seconds between two  formatted dates ...) tomas@tuxteam.de - 2023-12-21 18:40 +0100
                Re: systemd and timezone (was: Re: difference in seconds between two  formatted dates ...) Dan Ritter <dsr@randomstring.org> - 2023-12-21 15:30 +0100
                Re: systemd and timezone (was: Re: difference in seconds between two  formatted dates ...) <tomas@tuxteam.de> - 2023-12-21 16:10 +0100
                Re: systemd and timezone (was: Re: difference in seconds between two  formatted dates ...) Nicolas George <george@nsup.org> - 2023-12-21 23:00 +0100
                Re: systemd and timezone gene heskett <gheskett@shentel.net> - 2023-12-22 01:00 +0100
                Re: systemd and timezone Max Nikulin <manikulin@gmail.com> - 2023-12-22 13:50 +0100
                Re: systemd and timezone <tomas@tuxteam.de> - 2023-12-22 14:40 +0100
                Re: systemd and timezone Greg Wooledge <greg@wooledge.org> - 2023-12-22 15:20 +0100
                Re: systemd and timezone David Wright <deblis@lionunicorn.co.uk> - 2023-12-22 16:50 +0100
                Re: systemd and timezone Greg Wooledge <greg@wooledge.org> - 2023-12-22 17:30 +0100
                Re: systemd and timezone "Arno Lehmann, ITS" <al@its-lehmann.de> - 2023-12-22 20:20 +0100
                Re: systemd and timezone Greg Wooledge <greg@wooledge.org> - 2023-12-22 21:00 +0100
                Re: systemd and timezone David Wright <deblis@lionunicorn.co.uk> - 2023-12-22 20:50 +0100
                Re: systemd and timezone Greg Wooledge <greg@wooledge.org> - 2023-12-22 21:20 +0100
                Re: systemd and timezone David Wright <deblis@lionunicorn.co.uk> - 2023-12-23 07:20 +0100
                Re: systemd and timezone Sven Joachim <svenjoac@gmx.de> - 2023-12-22 21:20 +0100
                Re: systemd and timezone Greg Wooledge <greg@wooledge.org> - 2023-12-22 22:40 +0100
                Re: systemd and timezone David Wright <deblis@lionunicorn.co.uk> - 2023-12-23 00:30 +0100
                Re: systemd and timezone Pocket <pocket@columbus.rr.com> - 2023-12-23 00:50 +0100
                Re: systemd and timezone Pocket <pocket@columbus.rr.com> - 2023-12-23 01:10 +0100
                Re: systemd and timezone David Wright <deblis@lionunicorn.co.uk> - 2023-12-23 07:20 +0100
                Re: Support for SysV service scripts deprecated in systemd 255 (was:  systemd and timezone) Felix Miata <mrmazda@earthlink.net> - 2023-12-23 08:10 +0100
                Re: systemd and timezone Pocket <pocket@columbus.rr.com> - 2023-12-23 12:10 +0100
                Re: systemd and timezone Nate Bargmann <n0nb@n0nb.us> - 2023-12-23 02:00 +0100
                Re: systemd and timezone Greg Wooledge <greg@wooledge.org> - 2023-12-23 02:20 +0100
                Re: systemd and timezone <tomas@tuxteam.de> - 2023-12-22 17:10 +0100
                Re: systemd and timezone Jeffrey Walton <noloader@gmail.com> - 2023-12-22 21:00 +0100
                Re: systemd and timezone Nicolas George <george@nsup.org> - 2023-12-22 23:40 +0100
                Re: systemd and timezone Charles Kroeger <mbone@gmx.co.uk> - 2024-01-06 03:30 +0100
                Re: systemd and timezone Greg Wooledge <greg@wooledge.org> - 2024-01-06 05:30 +0100
                Re: systemd and timezone gene heskett <gheskett@shentel.net> - 2024-01-06 06:40 +0100
                tzdata-legacy [was: Re: systemd and timezone] Max Nikulin <manikulin@gmail.com> - 2024-01-06 07:20 +0100
                Re: tzdata-legacy [was: Re: systemd and timezone] Max Nikulin <manikulin@gmail.com> - 2024-01-06 08:10 +0100
                Re: tzdata-legacy [was: Re: systemd and timezone] Nate Bargmann <n0nb@n0nb.us> - 2024-01-06 10:20 +0100
                Re: tzdata-legacy [was: Re: systemd and timezone] gene heskett <gheskett@shentel.net> - 2024-01-06 13:10 +0100
                Re: tzdata-legacy [was: Re: systemd and timezone] Greg Wooledge <greg@wooledge.org> - 2024-01-06 16:10 +0100
                Re: tzdata-legacy [was: Re: systemd and timezone] David Wright <deblis@lionunicorn.co.uk> - 2024-01-07 18:30 +0100
                was: Re: tzdata-legacy [was: Re: systemd and timezone] gene heskett <gheskett@shentel.net> - 2024-01-06 13:00 +0100
                Re: was: Re: tzdata-legacy [was: Re: systemd and timezone] John Hasler <john@sugarbit.com> - 2024-01-06 15:30 +0100
                SOLVED FOR GENE:Re: was: Re: tzdata-legacy [was: Re: systemd and  timezone] gene heskett <gheskett@shentel.net> - 2024-01-06 20:10 +0100
                Re: SOLVED FOR GENE:Re: was: Re: tzdata-legacy [was: Re: systemd  and timezone] John Hasler <john@sugarbit.com> - 2024-01-06 20:40 +0100
                Re: SOLVED FOR GENE:Re: was: Re: tzdata-legacy [was: Re: systemdand  timezone] gene heskett <gheskett@shentel.net> - 2024-01-06 21:40 +0100
                Re: SOLVED FOR GENE:Re: was: Re: tzdata-legacy [was: Re: systemdand  timezone] Nate Bargmann <n0nb@n0nb.us> - 2024-01-06 23:10 +0100
                Re: SOLVED FOR GENE:Re: was: Re: tzdata-legacy [was: Re: systemdand  timezone] Greg Wooledge <greg@wooledge.org> - 2024-01-07 01:10 +0100
                Re: SOLVED FOR GENE:Re: was: Re: tzdata-legacy [was: Re:  systemdandtimezone] gene heskett <gheskett@shentel.net> - 2024-01-07 05:30 +0100
                Re: SOLVED FOR GENE:Re: was: Re: tzdata-legacy [was: Re:  systemdandtimezone] Nate Bargmann <n0nb@n0nb.us> - 2024-01-07 12:30 +0100
                Re: SOLVED FOR GENE Felix Miata <mrmazda@earthlink.net> - 2024-01-07 12:40 +0100
                Re: SOLVED FOR GENE jeremy ardley <jeremy.ardley@gmail.com> - 2024-01-07 13:10 +0100
                Re: SOLVED FOR GENE john doe <johndoe65534@mail.com> - 2024-01-07 13:40 +0100
                Re: SOLVED FOR GENE Michael Stone <mstone@debian.org> - 2024-01-11 14:30 +0100
                Re: SOLVED FOR GENE Felix Miata <mrmazda@earthlink.net> - 2024-01-11 18:10 +0100
                manpages package [WAS Re: SOLVED FOR GENE:Re: was: Re: tzdata-legacy  [was: Re: systemd and timezone] "Andrew M.A. Cater" <amacater@einval.com> - 2024-01-06 23:50 +0100
                Re: was: Re: tzdata-legacy [was: Re: systemd and timezone] Max Nikulin <manikulin@gmail.com> - 2024-01-06 18:10 +0100
                Re: was: Re: tzdata-legacy [was: Re: systemd and timezone] gene heskett <gheskett@shentel.net> - 2024-01-06 20:40 +0100
                systemd-timesyncd Max Nikulin <manikulin@gmail.com> - 2024-01-07 16:50 +0100
                Re: systemd-timesyncd John Hasler <john@sugarbit.com> - 2024-01-07 17:30 +0100
                Re: systemd-timesyncd gene heskett <gheskett@shentel.net> - 2024-01-07 21:20 +0100
                Re: systemd-timesyncd Charles Kroeger <mbone@gmx.co.uk> - 2024-01-08 06:50 +0100
                Re: systemd-timesyncd gene heskett <gheskett@shentel.net> - 2024-01-07 21:10 +0100
                Re: systemd-timesyncd "Andrew M.A. Cater" <amacater@einval.com> - 2024-01-07 22:00 +0100
                Re: systemd-timesyncd Charles Curley <charlescurley@charlescurley.com> - 2024-01-08 00:00 +0100
                Re: systemd-timesyncd Nicholas Geovanis <nickgeovanis@gmail.com> - 2024-01-08 01:40 +0100
                VAX emulation/simulation (was Re: systemd-timesyncd) The Wanderer <wanderer@fastmail.fm> - 2024-01-08 02:10 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) Bret Busby <bret@busby.net> - 2024-01-08 10:40 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) "Jeremy Nicoll" <jn.ml.dbi.73@letterboxes.org> - 2024-01-08 11:40 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) "Thomas Schmitt" <scdbackup@gmx.net> - 2024-01-08 13:20 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) Nicholas Geovanis <nickgeovanis@gmail.com> - 2024-01-09 01:00 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) "Thomas Schmitt" <scdbackup@gmx.net> - 2024-01-09 09:20 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) Bret Busby <bret@busby.net> - 2024-01-09 10:40 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) "Thomas Schmitt" <scdbackup@gmx.net> - 2024-01-09 11:20 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) Nicolas George <george@nsup.org> - 2024-01-09 11:40 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) gene heskett <gheskett@shentel.net> - 2024-01-09 12:30 +0100
                Re: VAX emulation/simulation (was Re: systemd-timesyncd) "Niall O'Reilly" <niall+lists@no8.be> - 2024-01-08 21:50 +0100
                Re: systemd-timesyncd gene heskett <gheskett@shentel.net> - 2024-01-08 16:00 +0100
                Re: systemd-timesyncd gene heskett <gheskett@shentel.net> - 2024-01-08 16:00 +0100
                Re: systemd-timesyncd Max Nikulin <manikulin@gmail.com> - 2024-01-08 04:40 +0100
                Re: systemd-timesyncd Curt <curty@free.fr> - 2024-01-08 18:00 +0100
                Re: systemd-timesyncd Max Nikulin <manikulin@gmail.com> - 2024-01-08 04:20 +0100
                Re: systemd-timesyncd Charles Curley <charlescurley@charlescurley.com> - 2024-01-08 05:10 +0100
                Re: systemd-timesyncd Mark Fletcher <mark27q1@gmail.com> - 2024-01-08 14:50 +0100
                mktime (was: Re: systemd and timezone) Max Nikulin <manikulin@gmail.com> - 2023-12-23 18:00 +0100
                Re: mktime (was: Re: systemd and timezone) Jeffrey Walton <noloader@gmail.com> - 2023-12-23 19:30 +0100
                Re: mktime Max Nikulin <manikulin@gmail.com> - 2023-12-24 03:40 +0100
                Re: mktime (was: Re: systemd and timezone) <tomas@tuxteam.de> - 2023-12-24 08:40 +0100
                Re: mktime Max Nikulin <manikulin@gmail.com> - 2023-12-28 03:40 +0100
                Re: systemd and timezone Max Nikulin <manikulin@gmail.com> - 2023-12-21 16:30 +0100
                Re: difference in seconds between two formatted dates ... Max Nikulin <manikulin@gmail.com> - 2023-12-22 03:20 +0100
                Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-22 08:00 +0100
                Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-21 05:40 +0100
                Re: difference in seconds between two formatted dates ... Max Nikulin <manikulin@gmail.com> - 2023-12-21 06:50 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-21 07:10 +0100
                Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-21 08:10 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-21 13:40 +0100
                Re: difference in seconds between two formatted dates ... Max Nikulin <manikulin@gmail.com> - 2023-12-21 16:40 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-21 19:30 +0100
                Re: difference in seconds between two formatted dates ... gene heskett <gheskett@shentel.net> - 2023-12-21 21:00 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-21 21:10 +0100
                Re: difference in seconds between two formatted dates ... gene heskett <gheskett@shentel.net> - 2023-12-21 21:40 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-21 22:40 +0100
                Re: difference in seconds between two formatted dates ... gene heskett <gheskett@shentel.net> - 2023-12-22 00:40 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-25 16:40 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-25 18:40 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-26 08:00 +0100
                Re: difference in seconds between two formatted dates ... "Thomas Schmitt" <scdbackup@gmx.net> - 2023-12-26 08:30 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-26 16:00 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-26 16:40 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-26 19:40 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-26 22:40 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-27 01:40 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-27 01:50 +0100
                When strace breaks process or is blocked (was: Re: difference in  seconds between two formatted dates ...) Max Nikulin <manikulin@gmail.com> - 2023-12-27 17:50 +0100
            Re: difference in seconds between two formatted dates ... Max Nikulin <manikulin@gmail.com> - 2023-12-18 03:30 +0100
              Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-25 00:10 +0100
                Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-25 01:10 +0100
                Re: difference in seconds between two formatted dates ... Albretch Mueller <lbrtchx@gmail.com> - 2023-12-25 01:30 +0100
                Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-25 02:20 +0100
                Re: difference in seconds between two formatted dates ... "Andrew M.A. Cater" <amacater@einval.com> - 2023-12-25 11:40 +0100
                Re: difference in seconds between two formatted dates ... Tixy <tixy@yxit.co.uk> - 2023-12-25 09:10 +0100
                Re: difference in seconds between two formatted dates ... Andy Smith <andy@strugglers.net> - 2023-12-27 00:00 +0100
        Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-17 19:00 +0100
        Re: difference in seconds between two formatted dates ... David Wright <deblis@lionunicorn.co.uk> - 2023-12-17 19:30 +0100
    Re: difference in seconds between two formatted dates ... Teemu Likonen <tlikonen@iki.fi> - 2023-12-17 12:50 +0100
  Re: difference in seconds between two formatted dates ... <tomas@tuxteam.de> - 2023-12-17 12:10 +0100
  Re: difference in seconds between two formatted dates ... Greg Wooledge <greg@wooledge.org> - 2023-12-17 15:10 +0100

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