dotfiles/.config/waybar/scripts/check-battery.sh

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#! /usr/bin/env bash
bat="/sys/class/power_supply/BAT1"
crit="${1:-15}"
stat="$(cat $bat/status)"
perc="$(cat $bat/capacity)"
file="$HOME/.config/waybar/scripts/lowbat"
notifysend() {
local pid
local title="Low Battery"
local body="Current charge: $perc%"
notify-send --print-id --urgency=critical --icon=dialog-warning "$title" "$body"
}
main() {
if [[ "$stat" == "Discharging" ]] && [[ "$perc" -le "$crit" ]] && [[ ! -f "$file" ]]; then
touch $file
notifysend
fi
if [[ "$stat" == "Charging" ]] && [[ -f $file ]]; then
rm $file
fi
}
main $@