#!/bin/bash
# sources: https://framagit.org/3hg/isotop/-/blob/master/src/files/usr/local/share/isotop/bin/rdmwall
# by prx <prx@ybad.name>
#-----------------------
#Set as wallpaper a random picture located in any DIRS path

if [ -d "$1" ]; then
    DIRS="$1"
else
    DIRS="/usr/share/backgrounds
    $HOME/pics/walls"
fi

getrdmwall() {
for D in $DIRS; do
  find $D -maxdepth 1 \
    -type f \
    -iname "*.jpg" -o \
    -iname "*.png" 
done | sort -R | head -n 1
}

img=""
while [ ! -f "${img}" ]; do
  img="$(getrdmwall)"
done

swaymsg output "*" bg "$img" fill &
exit 0