diff --git a/src/fluentcmd.js b/src/fluentcmd.js
index c5af92f..93c94a8 100644
--- a/src/fluentcmd.js
+++ b/src/fluentcmd.js
@@ -13,12 +13,9 @@ module.exports = function () {
     , path = require( 'path' )
     , extend = require( './utils/extend' )
     , _ = require('underscore')
+    , unused = require('./utils/string')
     , FLUENT = require('fluentlib');
 
-  String.prototype.endsWith = function(suffix) {
-    return this.indexOf(suffix, this.length - suffix.length) !== -1;
-  };
-
   var rez;
 
   /**
@@ -35,10 +32,6 @@ module.exports = function () {
     _opts.theme = theme;
     dst = (dst && dst.length && dst) || ['resume.all'];
 
-    // console.log( src );
-    // console.log( dst );
-    // console.log( theme );
-
     // Assemble output resume targets
     var targets = [];
     dst.forEach( function(t) {
diff --git a/src/utils/string.js b/src/utils/string.js
new file mode 100644
index 0000000..905fc43
--- /dev/null
+++ b/src/utils/string.js
@@ -0,0 +1,18 @@
+/**
+String utility functions.
+@license Copyright (c) 2015 by James M. Devlin. All rights reserved.
+*/
+
+/**
+Determine if the string is null, empty, or whitespace.
+See: http://stackoverflow.com/a/32800728/4942583
+@method isNullOrWhitespace
+*/
+
+String.isNullOrWhitespace = function( input ) {
+  return !input || !input.trim();
+};
+
+String.prototype.endsWith = function(suffix) {
+  return this.indexOf(suffix, this.length - suffix.length) !== -1;
+};