Help with cronjob scheduling

sudhirav · 08-12-2010, 06:36 AM

Hi Everybody,

How to schedule a job using cron that shouldn't run between working hrs 9am-5pm, while run in non working hrs every hour, every day of the month, month & week.

I tried the following way, not sure I can use logical not operator(!). Please correct me if wrong or suggest other ways which might be better.

crontab -e
0 !9-17 * * * /path/to/script/file

I guess other way is
0 17-8 * * * /path/to/script/file

Thank you in advance

sem007 · 08-12-2010, 07:54 AM

i never use (!) in crontab.

in crontab 24hrs format so second way is better

sudhirav · 08-12-2010, 08:02 AM

Hi Sem007,

Thanks for the reply, when we can use (!) in scripts why not use them in crontab also.

tospo · 08-12-2010, 09:24 AM

you can't use ! but you can use ranges and lists, such as

Code:

0   0-9,17-23   *   *   *

which will run every full hour from midnight to 9am and then again from 5pm to 11pm.