playing

160e96.swift

import Foundation

func cmd(launchPath: String, args: [String]?) -> NSString? {
  let task = NSTask()
  task.launchPath = launchPath

  if let arguments = args {
    task.arguments = arguments
  }
  
  let pipe = NSPipe()
  task.standardOutput = pipe
  task.launch()
  
  let data = pipe.fileHandleForReading.readDataToEndOfFile()
  let output = NSString(data: data, encoding: NSUTF8StringEncoding)
  return output
}

func usage() {
    print("swft-builder COMMAND <OPTIONS IF ANY>")
}

let args = Process.arguments
guard args.count > 1 else {
    usage()
    exit(-1)
}

var options: [String]?
let relativePath = args[1]
print("Application is \(relativePath)")
if args.count > 2 {
    options = [String](args[2...args.count-1])
}

if let output = cmd(relativePath, args: options) {
    print("output: \(output)")
}