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19 lines
469 B
Bash
19 lines
469 B
Bash
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#!/usr/bin/env bash
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if [ -d /sys/class/power_supply/BAT0 ]; then
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BAT=/sys/class/power_supply/BAT0
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elif [ -d /sys/class/power_supply/BAT1 ]; then
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BAT=/sys/class/power_supply/BAT1
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else
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echo "No battery found."
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exit 1
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fi
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CRIT=''${1:-10}
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STAT=$(cat $BAT/status)
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PERC=$(cat $BAT/capacity)
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if [[ $PERC -le $CRIT ]] && [[ $STAT == "Discharging" ]]; then
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notify-send --urgency=critical --icon=dialog-error "Battery Critical" "Current charge: $PERC%".
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fi
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