Simple xsetroot script for dwm with battery level and date

xroot.sh

#!/bin/sh
export DISPLAY=:0

BATT=$(/usr/bin/awk '/rate/ {rate=$3} \
        /charging state/ {charge=$3} \
        /rem/ { rem=$3 } \
        END { if (charge=="charging") { state="charge" } \
            else if (charge=="charged") { state="full" } \
                else { state=sprintf("%2.1f hr",rem/rate) } \
                printf("%3.1f%% (%s)",rem/50,state) }' \
        /proc/acpi/battery/BAT0/state)
DATE=$(/bin/date +"%a %b %d %H:%M")

ROOT="$BATT $DATE"
#echo $ROOT
xsetroot -name "$ROOT"