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Log out users when laptop battery level gets too low
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| #!/bin/bash | |
| # Cronjobs for each user can be edited with "crontab -e" | |
| battery_level=$(cat /sys/class/power_supply/BAT0/capacity) | |
| battery_level_threshold=35 | |
| if (( $battery_level > $battery_level_threshold )); then | |
| echo $(date -u) ": Battery level ok:" $battery_level"%" | |
| exit 0 | |
| fi | |
| ac_power_present=$(cat /sys/class/power_supply/AC/online) | |
| if ((ac_power_present == 1));then | |
| echo $(date -u) ": AC-power present" | |
| exit 0 | |
| fi | |
| export DISPLAY=$(whoami) | |
| export XAUTHORITY=/home/$(whoami)/.Xauthority | |
| export XDG_RUNTIME_DIR=/run/user/$(id -u $(whoami)) | |
| /usr/bin/notify-send 'Laptopbatterij opladen nu!' | |
| sleep 3 | |
| # Users still have the option here to cancel the logout | |
| gnome-session-quit --logout | |
| #Punishment when battery level is too low and power adapter not connected. No more cancel option. | |
| #killall firefox |
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