as: date -r $(( $(date +%s) - 86400)) +%F ;) Le 04/09/18 à 10:26, Paul de Weerd a écrit : > On Sun, Apr 08, 2018 at 11:12:43PM -0700, Philip Guenther wrote: > | On Sun, Apr 8, 2018 at 10:54 PM, Robert Klein <[email protected]> wrote: > | > | > this works for me: > | > > | > date -r $(( $(date +%s) - 1 * 24 * 60 * 60 )) +%Y_%m_%d > | > > | > | Did you test that after 11pm on the day when daylight-saving time ends and > | the clock is turned back, resulting in a 25 hour long day? > > For those special occassions there's: > > date -j `date +%Y%m%d1200` +%s > > Turning this into: > > date -r $(($(date -j `date +%Y%m%d1200` +%s) - 86400)) +%Y_%m_%d > > Less perl (and less typing) at the expense of a total of 3 invocations > of date. Although I loathe the natural language parsing options built > into Linux date(1), this sort of thing is rather convenient. > > | I would use this: > | perl -MPOSIX=strftime,mktime -le '@d=localtime(); $d[3]--; mktime(@d); > | print strftime("%Y_%m_%d",@d)' > | > | Philip Guenther > > Paul 'abolish DST now' de Weerd >
-- ~ " Fully Basic System Distinguish Life! " ~ " Libre as a BSD " +=<<< ---- <me>Stephane HUC as PengouinBSD or CIOTBSD</me> <mail>[email protected]</mail>
