## vim:ft=zsh
typeset url=$(printf http://www.wetteronline.de/daten/radar/dnrw/%s/std_%02d%02d.gif \
	$(date +%Y/%m/%d) $(( $(date +%H) - 2)) $(( $(date +%M) / 15 * 15 )) )
typeset file=$(mktemp /tmp/rrad.XXXXXXX)

curl -s $url > $file

if [[ ${$(du -b $file)[1]} == 0 ]] {
	echo "Error"
	return 1
}

mplayer -loop 0 $file
rm $file