Add a utility to hexify a string.

bin/hexify.js

@@ -0,0 +1,22 @@
+#!/usr/bin/node
+//
+// Returns hex of string.
+//
+
+var stringToHex = function (s) {
+  return Array.prototype.map.call(s, function (c) {
+      var b = c.charCodeAt(0);
+
+      return b < 16 ? "0" + b.toString(16) : b.toString(16);
+    }).join("");
+};
+
+if (process.argv.length != 3) {
+  process.stderr.write("Usage: " + process.argv[1] + " string\n\nReturns hex of lowercasing string.\n");
+
+} else {
+
+  process.stdout.write(stringToHex(process.argv[2].toLowerCase()) + "\n");
+}
+
+// vim:sw=2:sts=2:ts=8:et