You've corrected the fact that he was halting the script before to echo %scripts, but you don't correct the fact that the on input event does not work like that (on *:input:!trigger:{).
Also, little thing like this could be done with one $regsubex :

Code:
on *:INPUT:*:{
if ($1- == !scripts) {
echo -a $regsubex($str(a,$script(0)),/a/g,$+($chr(3),$r(3,14),$nopath($script(\n)),$chr(15),$chr(32)))
halt
 }
}



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