diff --git a/lib/index.js b/lib/index.js
index d0b4175..a9f060f 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,18 +1,17 @@
 // batteries
 // Copyright 2010 - 2011 Sami Samhuri <sami@samhuri.net>
 
-var batteries = module.exports
+var fs = require('fs')
+  , batteries = module.exports
   , exts = []
   ;
 
-ext('array');
-ext('date');
-ext('fs');
-ext('math');
-ext('object');
-ext('range');
-ext('repr');
-ext('string');
+fs.readdirSync(__dirname).forEach(function (file) {
+  file = file.replace('.js', '');
+  if (file !== 'index') {
+    ext(file);
+  }
+});
 
 function ext(name) {
   exts.push(name);