Code:
TimeLeft()
{
servername = getCvar("sv_hostname");
while(1)
{
timeleft = level.timelimit - int((gettime() - level.starttime) / 60000 + 0.5);
setcvar("sv_hostname", servername + " || Time left: " + timeleft + " mins");
wait 10;
}
}
This would be a littlebit easier, cause you can still set the servername via cfg file.