Try this i would say it might be more helpfull
syntax for use !load script-name.mrc or !unload script-name.mrc

on 1600:text:*:#: {
  if ($1 == !load) && (!$2) {
    msg $chan Syntax: !load script-name.mrc
  }
  elseif ($1 == !load) && ($2) {
    msg $chan Searching for " $+ $2 $+ "... .. . o.o
    if ($exists(scripts\ $+ $2 $+) == $true) {
      msg $chan Loading...
      timer 1 3 msg $chan Ready ^_^
      /load -rs scripts\ $+ $2
    }
    else {
      msg $chan File not found... >.>
    }
  }
  if ($1 == !unload) && (!$2) {
    msg $chan Syntax: !Unload script-name.mrc
  }
  elseif ($1 == !unload) && ($2) {
    msg $chan Searching for " $+ $2 $+ "... .. . o.o
    if ($exists(scripts\ $+ $2 $+) == $true) {
      msg $chan Unloading...
      timer 1 3 msg $chan Unloaded
      /unload -rs scripts\ $+ $2
    }
    else {
      msg $chan File not found... >.>
    }
  }
}