Am 18.09.2014 um 18:44 schrieb Joseph: > I want to run a cron job only once a month. The problem is the computer is > only on on weekdays Mon-Fri. 1-5 > cron tab as this below is an "or" condition as it has entries in Days of the > Months and Day of the Week > > 5 18 1 * 2 rsync -av ... > > so it will run on days 1 or Tuesday of each months. > Is it possible to create "and" condition, eg. run it on Tuesday between days > 1 to 7; depend on which day Tuesday falls on?
You can run it every Tuesday and check for day of month externally: 5 18 * * 2 test $(date +%d) -le 7 && rsync -av ... or run it on 5 18 1-7 * * and test for Tuesdays, but the former gives less useless invocations. ~frukto
