scripts/fav-wallpapers at master · muru/scripts · GitHub

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#! /bin/sh

wallpapers=${wallpapers:-~/Pictures/Fav}
period=${period:-10m}

gsettings set org.gnome.desktop.background picture-uri "file://$HOME/.current-wallpaper"
gsettings set org.gnome.desktop.screensaver picture-uri "file://$HOME/.current-wallpaper"
while true
do
	find "$wallpapers" -type f -print0 |
		shuf -z |
		while IFS= read -d '' -r pic
		do
			sleep "$period"
			ln -sf "$pic" ~/.current-wallpaper
		done
done