Simple Async Swift commandline tool outline

main.swift

#!/usr/bin/swift

import Foundation

var keepAlive = true

dump(ProcessInfo().arguments)

let runLoop = RunLoop.current
let distantFuture = Date.distantFuture

//let config = URLSessionConfiguration()
//let session = URLSession(configuration: config)

let session = URLSession.shared
let url = URL(string: "http://news.bbc.co.uk")!

session.dataTask(with: url) { (data, response, error) in
  guard error == nil, let data = data, let response = response else { return }
  dump(response)
  dump(data)
  keepAlive = false
  }.resume()

while keepAlive == true {
  print("waiting...")
  runLoop.run(until: Date().addingTimeInterval(0.1))
}