#!/bin/bash                                                                                                       
# Change desktop background image depending on the time of day                                                    
# Configuration: Change hourse in the case statements, and the images to load as background                       
#                                                                                                                 
# load variables for gconftool. These have to be written to Xdbus during login                                    
. $HOME/.config/Xdbus                                                                                             
                                                                                                                  
HOUR=$(date +%H)                                                                                                  
gconftool=/usr/bin/gconftool                                                                                      
case "$HOUR" in                                                                                                   
    06|07)                                                                                                        
        $gconftool -t string -s /desktop/gnome/background/picture_filename ~/Bilder/DSC_0373.JPG                  
        ;;                                                                                                        
    08|09|10|11|12|13|14|15|16)                                                                                   
        $gconftool -t string -s /desktop/gnome/background/picture_filename ~/Bilder/DSC_1025.JPG                  
        ;;                                                                                                        
    17|18|19 )                                                                                                    
        $gconftool -t string -s /desktop/gnome/background/picture_filename ~/Bilder/DSC_0959.JPG                  
        ;;                                                                                                        
    *)                                                                                                            
        $gconftool -t string -s /desktop/gnome/background/picture_filename ~/Bilder/DSC_0776.JPG                  
        ;;                                                                                                        
esac