public void Run()
{
var input = "";
var sb = new StringBuilder();
while ((input = readerWriter.ReadLine().Trim()) != "Shutdown")
{
var commandResult = this.commandInterpreter.ProcessCommand(input.Split());
sb.AppendLine(commandResult);
}
var lastCommand = this.commandInterpreter.ProcessCommand(input.Split());
sb.Append(lastCommand);
readerWriter.WriteLine(sb.ToString());
}