Simple script to manage users crontab
In order for this script to work PAM module must be installed.
sudo pecl install PAM
To show list of currently scheduled jobs use crontab -l.
To reload crontab use crontab -u <username> <file>, for example crontab -u mac /home/mac/crontab.
* - every
5 - concrete
1,2 - concrete list
1-5 - concrete range
*/2 - every even (0, 2, 4, .., 58)
1,2,3/2 - every even in list (1, 3)
1-5/2 - every even (by index) in range (1, 3, 5)
/(?P<disabled>#?)\s*(?P<minute>[\*\d\/\-,]+)\s+(?P<hour>[\*\d\/\-,]+)\s+(?P<day>[\*\d\/\-,]+)\s+(?P<month>[\*\d\/\-,]+)\s+(?P<day_of_week>[\*\d\/\-,]+)\s+(?P<command>[^#$]+)#*\s*(?P<name>.*?)$/