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rrooij/low_battery_cron.sh

Created August 12, 2019 17:01
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Cron for checking battery life
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low_battery_cron.sh
#!/bin/sh
# Change BAT according to the battery you want to check
BATCAP=$(cat /sys/class/power_supply/BAT1/capacity)
WARNING_THRESHOLD=$1
export DISPLAY=:0
if [ -z "$WARNING_THRESHOLD" ]; then
WARNING_THRESHOLD=20
fi
if [ "$BATCAP" -lt "$WARNING_THRESHOLD" ]; then
notify-send "Low battery" "Battery at $BATCAP" -u critical
fi
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