I am able to run this from the command line but in my .xinitrc the following error occurs:
Arithmetric error: " % 5 + 1 "
Arithmetric error: " % 5 + 1 "
Code:
# randomly selects a background wallpaper every 30 min
find /usr/local/wallpaper/ \( -name "*.jpg" -o -name "*.png" \) > /usr/local/wallpaper/wallpaper.list &
while true
do
feh --bg-scale $(sed -n $(( $RANDOM %$(wc -l < /usr/local/wallpaper/wallpaper.list) ))p /usr/local/wallpaper/wallpaper.list)
sleep 1800
done &