title: How to change OS X wallpaper programmatically?
body: <p>First : I'm new with Swift developpement.<br/>
  I'm trying to make a Swift app that will be able to change the user desktop wallpaper every X minutes.<br/>
  Imagine the wallpapers are in the "Pictures" folder, named 1.jpg, 2.jpg, 3.jpg etc ...<br/>
  So I have the path.<br/> 
  But I don't find how to make it !</p>
  
  <p><a href="https://stackoverflow.com/questions/30954492/how-to-get-the-path-to-the-current-workspace-screens-wallpaper-on-osx">This</a> url looks to be a good direction to search, but I don't find anybody who ask the question on the net (It can't be ...)</p>