int Sys(const char *cmd, String& out)
{
	out.Clear();
	LocalProcess p;
	if(!p.Start(cmd))
		return -1;
	while(p.IsRunning()) {
		out.Cat(p.Get());
		Sleep(1); // p.Wait would be much better here!
	}
	out.Cat(p.Get());
	return p.GetExitCode();
}