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dotfiles/scripts/sb-battery
2024-10-09 16:55:47 +01:00

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#!/bin/sh
# Prints all batteries, their percentage remaining and an emoji corresponding
# to charge status (🔌 for plugged up, 🔋 for discharging on battery, etc.).
# Loop through all attached batteries and format the info
# for battery in /sys/class/power_supply/BAT?*; do # For standard devices, use this line instead.
for battery in /sys/class/power_supply/?*; do
# If non-first battery, print a space separator.
[ -n "${capacity+x}" ] && [ -f "$battery/status" ] && printf " "
# Sets up the status and capacity
case "$(cat "$battery/status" 2>&1)" in
"Full") status="󰁹 " ;;
"Discharging") status="󰂌 " ;;
"Charging") status="󰂄 " ;;
"Not charging") status="󰂃 " ;;
"Unknown") status="󰂑 " ;;
*) exit 1 ;;
esac
capacity="$(cat "$battery/capacity" 2>&1)"
# Will make a warn variable if discharging and low
[ "$status" = "󰂌 " ] && [ "$capacity" -le 25 ] && warn=" "
# Prints the info
printf "%s%s%d%%" "$status" "$warn" "$capacity"; unset warn
done && printf "\\n"