Simple example to trigger the usage of setattr_x function on a file

osx_setattr_x.swift

let dest = "/tmp/m/a"
let src = "/tmp/m/b"

let fileManager = FileManager();
let targetURL = URL.init(fileURLWithPath: dest)
let srcURL = URL.init(fileURLWithPath: src)
do {
  try fileManager.replaceItemAt(targetURL, withItemAt: srcURL)
} catch {
  print(error)
}