- #!/bin/sh
- #
- year=`date +%y`
- month=`date + %m`
- day=`date +%d`
- if [ $month -le 3 ]
- then
- month= expr $month - 3 + 12
- year= expr $year - 1
- else
- month= expr $month - 3
- fi
- echo $year-$month-$day
get the 3 months before date
最新推荐文章于 2024-10-24 13:59:57 发布