#!/bin/sh

dir="$HOME/Pictures/Wallpapers"
list=$(/usr/bin/ls "$dir")

for i in $( swaymsg -t get_outputs | grep "name" | awk '{print $2}' | sed s/\"//g | sed s/,//g )
do
  choice=$(echo "$list" | shuf -n 1)
  swaymsg output "$i" bg "$dir/$choice" fill
done