Use apod as wallpaper

apod-bg

#!/bin/sh
#wait for internet
while ! ping -q -w 1 -c 1 apod.nasa.gov > /dev/null; do sleep 5; done

html=$(curl https://apod.nasa.gov/apod/astropix.html)

yturl=$(grep -Eom1 "https://www.youtube.com/embed/[^\"]+" <<< "$html")
if [ ! -z $yturl ]; then
    youtube-dl "$yturl" -o /tmp/apod
    name=$(echo /tmp/apod.* | cut -f 1 -d ' ')
    mplayer -rootwin -fs -nosound -loop 0 -nostop-xscreensaver $name
fi

imgpath=$(grep -Eio "image.*(jpg|png|gif)" <<< "$html" | head -n 1)
if [ ! -z $imgpath ]; then
    curl  "https://apod.nasa.gov/$imgpath" | feh --bg-max --no-fehbg - && exit
    exit
fi