[英]Cron job every day from 8AM to 8PM at 20 minutes interval
How to run cron job
every day from 8:00 AM
to 8:00 PM
at 20 minutes interval eg cron job should start at 8:00 AM
every day, then run at 8:20 AM
then 8:40 AM
then 9:00 AM
up to 8:00 PM
. 如何每天20分钟间隔从
8:00 AM
到8:00 PM
运行cron job
例如cron作业应从每天8:00 AM
开始,然后在8:20 AM
然后8:40 AM
然后9:00 AM
8:00 PM
至8:00 PM
。 Thanks. 谢谢。
EDIT: How to Implement it with ruby whenever
gem. 编辑:如何
whenever
宝石与红宝石实现它。
Just use two cronjobs: 只需使用两个cronjobs:
*/20 8-19 * * * /your/script
0 20 * * * /your/script
That is: 那是:
As a reminder, this is the format for a cronjob: 提醒一下,这是cronjob的格式:
+---------------- minute (0 - 59)
| +------------- hour (0 - 23)
| | +---------- day of month (1 - 31)
| | | +------- month (1 - 12)
| | | | +---- day of week (0 - 6) (Sunday=0 or 7)
| | | | |
* * * * * command to be executed
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