#!/bin/bash READBAT="cat /sys/class/power_supply/axp20x-battery/uevent" GETVAL="cut -d= -f2" LOWERCASE="tr '[:upper:]' '[:lower:]'" STATUS=`$READBAT | grep STATUS | $GETVAL | $LOWERCASE` CHARGE=`$READBAT | grep CAPACITY | $GETVAL` TEXT="$CHARGE%" CLASS=$STATUS echo {\"text\": \"$TEXT\", \"class\": \"$CLASS\"}