func execute(sudoCommands: String) -> String {
    return(execute(command: "osascript -e "do shell script \"" + sudoCommands + "\" with administrator privileges""))
}

func execute(command: String) -> String {
    var arguments:[String] = []
    arguments.append("-c")
    arguments.append( command )

    let task = Process()
    task.launchPath = "/bin/sh"
    task.arguments = arguments

    let pipe = Pipe()
    task.standardOutput = pipe
    task.standardError = pipe
    task.launch()
    task.waitUntilExit()
    let data = pipe.fileHandleForReading.readDataToEndOfFile()

    return(NSString(data: data, encoding: String.Encoding.utf8.rawValue) as! String)
}

func getSize(path: String, asRoot: Bool = false) -> String {

    var result: String!

    if(asRoot){
        result = execute(sudoCommands: "sudo du -shm " + path)
    } else {
        result = execute(command: "du -shm " + path)
    }

    var sizesMB = 0
    for dirResult in result.components(separatedBy: "n") where dirResult != "" {
        let currentDirSize = dirResult.components(separatedBy: "t")[0]
        sizesMB = sizesMB + Int(currentDirSize)!
    }

return( "(sizesMB) MB")
}