Menu
I have a simple shell script that just checks the contents of a directory and if anything was added during the day makes a copy of it to a backup folder. I'd like to execute this script at the end of each day (let's assume at 23:55).
The system(Debian) which this scripts reside on it, is always on (kind of server)
How can I do that?
833
If not using cron, you will have to arrange for the script to re-execute itself at a particular time in the future, maybe using at (which is part of cron), or by sleeping (which would make the executions drift over time), and you would additionally have to set up an initial execution of the script at reboots (again, ...
How To Run a Command Multiple Times in Bash. Wrap your statement for i in {1..n}; do someCommand; done , where n is a positive number and someCommand is any command. To access the variable (I use i but you can name it differently), you need to wrap it like this: ${i} . Execute the statement by pressing the Enter key.
To add a crontab job, type the following command at a UNIX/Linux shell prompt:
$ sudo crontab -e Add the following line:
1 2 3 4 5 /path/to/script where
1: Minutes (0-59) 2: Hours (0-23) 3: Days (1-31) 4: Month (1-12) 5: Day of the week(1-7) /path/to/script - your own shell script In your case it would be:
55 23 * * * /path/to/yourShellScript If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
Donate Us With
