optional array arg for specifying included siblings explicitly

index.js

@@ -1,22 +1,30 @@
 var fs   = require('fs'),
     path = require('path');
 
-module.exports = function(dir) {
+module.exports = function(dir, basenames) {
   var requires = {};
 
-  fs.readdirSync(dir).forEach(function(filename) {
+  if (arguments.length == 1) {  
+    fs.readdirSync(dir).forEach(function(filename) {
 
-    if ((filename === 'index.js') ||
-        (filename === 'index.coffee') ||
-        (filename[0] === '_')) { 
-      return; 
-    }
+      if ((filename === 'index.js') ||
+          (filename === 'index.coffee') ||
+          (filename[0] === '_')) { 
+        return; 
+      }
 
-    filename = path.basename(filename, path.extname(filename));
-    var filepath = path.join(dir, filename);
+      filename = path.basename(filename, path.extname(filename));
+      var filepath = path.join(dir, filename);
 
-    requires[filename] = require(filepath);
-  });
+      requires[filename] = require(filepath);
+    });
+
+  } else {
+    basenames.forEach(function(basename) {
+      var filepath = path.join(dir, basename)
+      requires[basename] = require(filepath);
+    });
+  }
 
   return requires;
 };

test/test.js

@@ -9,15 +9,18 @@ try {
     "definitely": lib.bar.fing,
     "yes": lib.Foo.l,
     "yep": lib.Foo.ls,
-    "ack": lib.bam.n
+    "ack": lib.bam.n,
+    "again": lib.bar.fed.again,
+    "somemore": lib.bar.fed.somemore
   }
 
   var keys = Object.keys(expectations)
   keys.forEach(function(expectation) {
     assert.equal(expectations[expectation](), expectation);
   })
 
-  assert.equal('_private' in lib, false);
+  assert.equal(('_private' in lib), false);
+  assert.equal(('ignored' in lib.bar.fed), false);
 
   console.log("All tests passed.");