open/create file in swift

gistfile1.txt

#!/usr/bin/swift

import Cocoa

// remove $0 from args
var args = Process.arguments
args.removeAtIndex(0)

// process input files
for arg in args {

  // does the URL exist? ask to create it
  let url: NSURL! = NSURL(fileURLWithPath:arg)
  if !url.checkResourceIsReachableAndReturnError(nil) {
    print("File doesn't exist: \(arg)\n Create it now? [y/N] ")
    if getchar() != 121 { // y
      exit(0)
    }
    
    "".writeToURL(url, atomically:true, encoding:NSUTF8StringEncoding, error: nil)
    println("Created \(url.path!)")
  }
  
  // open in Dux
  NSWorkspace.sharedWorkspace().openFile(url.path!, withApplication:"/Applications/Dux.app")
}