crontab

# SHELL=/bin/bash
# MAILTO=root@example.com
# PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin

# For details see man 5 crontab

# Symbol | Description
#   *    | Wildcard, specifies every possible time interval
#   ,    | List multiple values separated by a comma.
#   -    | Specify a range between two numbers, separated by a hyphen
#   /    | Specify a periodicity/frequency using a slash

# Example of job definition:
# .---------------- minute (0 - 59)
# |  .------------- hour (0 - 23)
# |  |  .---------- day of month (1 - 31)
# |  |  |  .------- month (1 - 12) OR jan,feb,mar,apr ...
# |  |  |  |  .---- day of week (0 - 6) (Sunday=0 or 7) OR sun,mon,tue,wed,thu,fri,sat
# |  |  |  |  |
# *  *  *  *  * user-name  command to be executed

# Load crontab with command `crontab ~/path/to/crontab`

# Check battery level every 5 minutes
*/5 * * * * $HOME/bin/battery

# Sync contacts every 5 minutes
*/5 * * * * vdirsyncer sync

# Sync email every minute
* * * * * chronic mbsync -c $HOME/.config/isync/mbsyncrc -a

# Sync notes (zk) every 15 minutes
*/15 * * * * /usr/bin/zk sync