battery_checker

Bash script that checks the system's battery at a certain interval

Usage

b2tr_chckr [-D] [-t time_to_refresh] [-m battery_alert_value]

Arguments

• -D starts the script in daemon mode (meant for systemd)
• -t set a custom refresh rate
• -m set a custom battery level treshhold warning

Systemd

The -D options is meant to be used when the script is controlled by systemd. The file battery_checker.service is a basic service that can be used for this purpose.

Example log:

$ systemctl status battery_checker
● battery_checker.service - Bash script that checks the system's battery at a certain interval
   Loaded: loaded (/etc/systemd/system/battery_checker.service; enabled; vendor preset: disabled)
   Active: active (running) since Fri 2021-04-23 21:41:44 EEST; 9min ago
 Main PID: 610 (bash)
   CGroup: /system.slice/battery_checker.service
           ├─610 /usr/local/bin/bash /usr/local/sbin/battery_checker -D
           └─621 sleep 1800

Apr 23 21:41:44 rod systemd[1]: Started Bash script that checks the system's battery at a certain interval.
Apr 23 21:41:44 rod bash[610]: DATE='Fri Apr 23 21:41:44 EEST 2021' BATT_PERC='4' BATT_STATUS='Charging'