On Wed, Sep 01, 2021 at 04:39:54PM +0200, Adam Paulukanis wrote:
| On Wed, 1 Sept 2021 at 16:32, Christian Weisgerber <na...@mips.inka.de> wrote:
| >
| > Goetz Schultz:
| >
| > > I would go the other way and check tomorrows date. If it is "01", then I
| > > know today is the last of this month:
| > >
| > > date --date="tomorrow" +%d
| > > 02
| >
| > That's not OpenBSD.
| >
| > $ date --date="tomorrow" +%d
| > date: unknown option -- -
| > usage: date [-aju] [-f pformat] [-r seconds]
| > [-z output_zone] [+format] [[[[[[cc]yy]mm]dd]HH]MM[.SS]]
| >
|
|
| Not sure if it is OpenBSD. I am on Darwin right now
|
| $ date -v+1d +%d # if today is the last day of the month, tomorrow will be
1st.
This will work on OpenBSD:
[ $(date -r $(($(date +%s) + 86400)) +%e) -eq 1 ] || exit 0
<rest of your script here>
Although you'll have to be cautious with tricks like these to run this
only between 01:00 and 23:00 if your system runs with a timezone that
has daylight savings time.
Cheers,
Paul 'WEiRD' de Weerd
--
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+++++++++++>-]<.>++[<------------>-]<+.--------------.[-]
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