Forums Scripts & Popups $isdir question

if ($isdir($scriptdirdlls)) {  }
if ($isfile($scriptdirdlls\x.dll)) {  }
if ($isfile($scriptdirdlls\y.dll)) {  }
if ($isfile($scriptdirdlls\z.dll)) {  }

on 1:start: { chizeck }
alias chizeck {
  var %dllsdir = $finddir($mircdir,dlls,1)
  ;var %dllsdir = $finddir($scriptdir,dlls,1)
  ;if directory dlls is in or under $scriptdir

  var %dllstocheckfor = hi.dll cow.dll mouse.dll milk.dll
  if ($isdir(%dllsdir)) { 
    var %i = 1
    var %howmanydllfilesareinthisdirectory = $findfile(%dllsdir,*.dll,0)
    while (%i <= %howmanydllfilesareinthisdirectory) {
      var %currentdll = $nopath($findfile(%dllsdir,*.dll,%i))
      if (%currentdll isin %dllstocheckfor) { echo -ag %currentdll is in %dllstocheckfor }
      inc %i
    }
  }
}

on *:start:{ check }
alias check {
  var %dlls = x.dll y.dll z.dll, %i = 1
  while ($gettok(%dlls,%i,32) != $null) {
    if (!$isfile($+($scriptdir,dlls\,$v1))) { echo $color(info) -a * $gettok(%dlls,%i,32) appears to be missing. }
    inc %i
  } 
}