on *:TEXT:!setworld *:#:{
        if (($2) && ($nick isop $chan) && ($2 isnum)) { set %world $2 | notice $nick Changed to $2 $+ . }
        else { /notice $nick You're not an op, the world you specified wasn't numbers or you didn't specify one! }
         }
     on *:TEXT:!cworld:#:{ 
 msg $chan The current world is $read(world.txt) $+ .
 }