static void Main(string[] args)
{
Invoker invoker = new Invoker();
//Examples each for type
NetworkCredential credentials = new NetworkCredential("username", "password");
invoker.SetCommand(new HTTPCommand("https://google.com/allinternet.txt", "all_internet_on_my_pc.txt"));
invoker.SetCommand(new FTPCommand("ftp://example_ftp_link/weird_things.txt", "weird_things_on_my_pc.txt", credentials));
invoker.SetCommand(new CopyCommand("source.txt", "destination.txt"));
invoker.SetCommand(new RandomCommand("new_file.txt"));
invoker.Finish();
}
