Hello I do this one liner in my cron with success, maybe it suits you:
0› 5› *› *› *› TOM=$(TZ=MST-24 date +%d); [ $TOM -eq 1 ] && logger "Ultimo dia do mês!!!" Em qua., 1 de set. de 2021 às 09:06, Nick Holland < n...@holland-consulting.net> escreveu: > On 9/1/21 5:50 AM, Joel Carnat wrote: > > Hello, > > > > I would like to run a command on "the last day of each month". > > > > From what I understood reading the crontab(5) manpage, the simplest way > > would be setting day-of-month to "28-31". But this would mean running > > the command 4 times for months that have 31 days. > > > > Is there a simpler/better way to configure crontab(1) to run a command > > on "the last day of month" only ? > > > > Thank you, > > Joel C. > > > > Just run your script every day, and first thing in the script, check to see > if it is the last day of the month -- and quickly exit if it isn't. Very > cheap to do and relatively easy if you know a good trick to do it. > > http://holland-consulting.net/scripts/endofmonth.html > > Find the last day of the month: > $ set $(cal) > $ shift $(($# - 1)) > $ echo $1 > 30 > > Compare to today: > $ date "+%d" > 1 > > rather easy, and fairly portable. > You could probably stuff it into a one-liner in a crontab, but I would not > recommend it. > > > Nick. > > -- Atenciosamente, Bruno Ferreira.
