#!/bin/sh

STATUS=$(sysctl -nh hw.acpi.battery.state)
LOAD=$(sysctl -nh hw.acpi.battery.life)

if [ $STATUS = 2 ]
then
    # cargando
    echo  $LOAD%
elif [ $STATUS = 1 ]
then
    #descargando
    if [ $LOAD -lt 6 ]
    then
        echo  $LOAD%
    elif [ $LOAD -lt 26 ]
    then
        echo  $LOAD%
    elif [ $LOAD -lt 56 ]
    then
        echo  $LOAD%
    elif [ $LOAD -lt 81 ]
    then
        echo  $LOAD%
    else
        echo  $LOAD%
    fi
else
    echo  $LOAD%
fi