MultiScreen Xinerama Randon Wallpaper

#!/bin/bash

shopt -s nullglob

cd /root/Documents/wallpaper

while true; do
	files=()
	for i in *.jpg *.png; do
		[[ -f $i ]] && files+=("$i")
	done
	range=${#files[@]}

    ((range)) && SCREEN1="/root/wallpaper/${files[RANDOM & range]}"
    ((range)) && SCREEN2="/root/wallpaper/${files[RANDOM & range]}"
    ((range)) && SCREEN3="/root/wallpaper/${files[RANDOM & range]}"

    #echo ${SCREEN1}
    #echo ${SCREEN2}
    #echo ${SCREEN3}

    #echo  "imlibsetroot -x 0 -s ${SCREEN1} -x 1 -s ${SCREEN2} -x 2 -s ${SCREEN3} 2>/dev/null"

    imlibsetroot -x 0 -s f "${SCREEN1}" -x 1 -s f "${SCREEN2}" -x 2 -s f "${SCREEN3}" 2>/dev/null
	sleep 10s
done