static void Rename(string [] Input)
{
if (!Client.IsConnected)
{
Console.WriteLine("Please connect to a server first.");
return;
}
string RenameTo;
if (Input.Length > 1)
{
Input[0] = String.Join(" ", Input);
}
Console.Write("Rename file to: ");
RenameTo = Console.ReadLine();
Client.Rename(Input[0], RenameTo);
}