On Wed, 1 Sept 2021 at 16:39, Adam Paulukanis <adam.pauluka...@gmail.com> 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
Nevermind. It seems OpenBSD does not have it. > > $ date -v+1d +%d # if today is the last day of the month, tomorrow will be > 1st.
