helm/os/arch/.config/panel/lemons/battery

#!/usr/bin/env dash

. $(dirname $0)/../panel-config

# No guarantee that it will be called BAT0, but it suits my purposes.
if ! command -v acpi >/dev/null; then
    >&2 echo "acpi is not installed, battery segment disabled"
    exit
fi
if [ ! -d /sys/class/power_supply/BAT0 ]; then
    >&2 echo "No battery! This must be a PC"
    exit
fi

while :; do
    data=$(acpi --battery)
    perc=${${${data#*,}%,*}:1:-1}

    case $perc in
        100|9[0-9]) icon="${ICON_BAT9}" ;;
        8[0-9]) icon="${ICON_BAT8}" ;;
        7[0-9]) icon="${ICON_BAT7}" ;;
        6[0-9]) icon="${ICON_BAT6}" ;;
        5[0-9]) icon="${ICON_BAT5}" ;;
        4[0-9]) icon="${ICON_BAT4}" ;;
        3[0-9]) icon="%{F$COLOR_3}${ICON_BAT3}%{F-}" ;;
        2[0-9]) icon="%{F$COLOR_3}${ICON_BAT2}%{F-}" ;;
        1[0-9]) icon="%{F$COLOR_1}${ICON_BAT1}%{F-}" ;;
        *) icon="%{F$COLOR_1}${ICON_BAT0}%{F-}" ;;
    esac
    echo -n "${icon}"
    [ "${data/ charging/}" == "$data" ] && echo "${ICON_BATAC}"

    sleep 15
done

# vim:set ft=sh: