pxalarm is a simple POSIX sh script that periodically checks a config file and
executes commands at specified times.
- Alpine
apk add pxalarm- Others
curl https://raw.githubusercontent.com/iruzo/pxalarm/main/pxalarm -o pxalarm- Create a config file or configure a custom path for your config file:
- Default config file paths are
$XDG_CONFIG_HOME/pxalarm/configand$HOME/.config/pxalarm/config. - You can set a custom path with
-clike so:
./pxalarm -c '/your/new/config/file'
- Set your alarms in that file with the following format:
[YYYY-mm-DD HH:MM u q] command
- Launch the program with the following command. It will check the config
file every minute. The
-dcommand-line argument will cause the program to run unattended in the background as a daemon. You can also omit-dto run it in the foreground, if you want to see the logs for example.
./pxalarm -dNote: The program will continue to run in the background (if the -d flag
was passed) and check the config file every minute until stopped. You can stop
it at any time by running pkill pxalarm, or by pressing Ctrl-C if it is
running in the foreground.
Time can be replaced with * to match any time. The following formats are supported:
# YYYY: 4-digit year
# mm: 2-digit month
# DD: 2-digit day
# HH: 2-digit hour (24-hour format)
# MM: 2-digit minute
# u: weekday (1 for Monday, 2 for Tuesday, ..., 7 for Sunday)
# q: quarter of year (1, 2, 3, 4)
[YYYY-mm-DD HH:MM u q] command # command will be executed at that specific moment if that day is u and quarter of year is q.
[*-mm-DD HH:MM u q] command # command will be executed every year at that specific moment if that day is u and quarter of year is q.
[YYYY-*-DD HH:MM u q] command # command will be executed every month of YYYY at that specific moment if that day is u and quarter of year is q.
[YYYY-mm-* HH:MM u q] command # command will be executed every day of that month at that specific moment if that day is u and quarter of year is q.
[YYYY-mm-DD *:MM u q] command # command will be executed every hour at minute mm of that day if that day is u and quarter of year is q.
[YYYY-mm-DD HH:* u q] command # command will be executed every minute of that hour on day u and quarter of year q.
[YYYY-mm-DD HH:MM * q] command # command will be executed at that specific moment every day on the quarter q of the year.
[YYYY-mm-DD HH:MM u *] command # command will be executed at that specific moment on day u, no matter the quarter of year.
[*-*-* *:* * *] command # command will always be executed every minute.
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