Setting the Desktop background on OSX using Swift 2

Question

After an introduction to Javascript, I\'m trying to tackle OSX/iOS programming by creating some simple tools to scratch my own itches.

However, right from the jump I

Answer 1

Updated example for Swift 3:

do {
   let imgurl = NSURL.fileURL(withPath: singleImage)
   let workspace = NSWorkspace.shared()
   if let screen = NSScreen.main()  {
       try workspace.setDesktopImageURL(imgurl, for: screen, options: [:])
   }
} catch {
   print(error)
}