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Groups > linux.debian.user > #264866
| From | Greg Wooledge <greg@wooledge.org> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Re: difference in seconds between two formatted dates ... |
| Date | 2023-12-17 19:00 +0100 |
| Message-ID | <HM3AK-eeZ6-7@gated-at.bofh.it> (permalink) |
| References | <HLWpz-eaK0-7@gated-at.bofh.it> <HLX2h-eaWv-3@gated-at.bofh.it> <HLXbX-ebfq-1@gated-at.bofh.it> <HM1fz-edF7-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Sun, Dec 17, 2023 at 03:28:58PM +0000, Albretch Mueller wrote:
> On 12/17/23, Greg Wooledge <greg@wooledge.org> wrote:
> > On Sun, Dec 17, 2023 at 10:12:11AM +0000, Albretch Mueller wrote:
> >> ... after some long processing for which seconds would be exact
> >> enough, then I would like to get the seconds elapsed since dt00
> >
> > Are you working in bash, or sh?
>
> bash
>
> > Bash offers some alternatives, to avoid having to fork two date(1)
> > processes, light as those are. The first is:
> >
> > unicorn:~$ printf -v dt00 '%(%s)T' -1
> > unicorn:~$ echo "$dt00"
> > 1702821082
>
> but this is not what I meant and I am sure you can once again impress
> everyone here with your bash skills/wisdom. Is there such a thing as:
>
> dt00=$(date +%Y%m%d%H%M%S)
> printf -(whatever the formatting for seconds would be) "${dt00}%Y%m%d%H%M%S"
No, there is nothing in bash which scans date/time strings. You'd need
to use an external tool for this. GNU date is one such tool.
> I dealing with my "exposed mode" kinds of states ;-). I use a
> computer which initial state is kept as part of the file name as I
> explained, then as part of another ("exposed" or "private") reboot I
> want to check that file, so I would not be able to then simply do $((
> dt02 - dt00 ))
You've moved the goalposts. Now the state is not being kept WITHIN
a script, but in a FILE that's used by two separate scripts (one that
writes it, and one that has to interpret it).
This is a very different kind of problem.
You'll need to choose a tool or a language that can parse your chosen
storage format. This might be GNU date. This might be Perl, Python,
Tcl, or some other language that has appropriate facilities for parsing
date/time strings.
You'll also be strongly encouraged to choose a storage format that
facilitates such parsing. You might even want to work backwards --
figure out how you're going to parse the string, then choose the
format that works best with that specific parser.
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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
csiph-web