this should work:
Code:
on *:text:!rules:[color:red]#channel[/color]: {
set % [ $+ [ $+($nick,RULES) ] ] 1
dcc chat $nick
}
on *:open:=: {
if (% [ $+ [ $+($nick,RULES) ] ]) {
unset % [ $+ [ $+($nick,RULES ] ]
play =$nick [color:red]rules.txt[/color] 0
}
}