demonastery.org

#!/bin/sh
# Set Wallpaper

# If $1 is not empty
if [ -n "$1" ] ; then
	case "$1" in
	  last)
	  	# Grab last set wallpaper from file and store in $WALL
	   	WALL=`cat ~/desktop/lastwall`
		;;
	  *)
	   	# Set $WALL from command line and write to file for future use
	   	WALL=$1
		echo $1 > ~/desktop/lastwall
		;;
	esac

	case "$WALL" in
		*.jpg|*.jpeg|*.png|*.gif|*.bmp)
			# $WALL is an image file, so use hsetroot to set it as the background
			echo Setting with hsetroot...
			hsetroot -full "$WALL"
			;;
		*)
			# $WALL is likely not an image, so attempt to play with mplayer
			echo Setting with mplayer...
			# Blank out background first
			hsetroot -solid "#000000"
			# "Play" background using colorkey
			sudo mplayer -fs -vo xvidix -rootwin -colorkey 000000 -quiet "$WALL" &
			;;
	esac

	# Return good
	exit 0
else
	echo Please specify an image or a video file to set, or use "last"

	# Return bad
	exit 1
fi