#!/bin/sh
pics="$(xdg-user-dir PICTURES)"
favs="wallpapers/favorites"

mkdir -p "${pics:=$HOME/pics}/$favs"
wal="$(realpath "$pics/wallpaper")"
diff "$wal" "$pics/$favs/$(realpath "$wal" | xargs basename)" > /dev/null 2>&1 &&
	exit
cp "$wal" "$pics/$favs"
echo "$wal"