More weird

Ls.java

@@ -3,10 +3,18 @@
 
 // See http://jonisalonen.com/2012/java-and-file-names-with-invalid-characters/
 class Ls {
-    public static void main(String[] args) throws IOException {
+    public static void main(String[] args) throws Exception {
         File d = new File("src/main/java/com/aslakhellesoy");
         for (File f : d.listFiles()) {
-            System.out.printf("%s: %b\n", f.getName(), f.exists());
+            if(args.length > 0 && "hex".equals(args[0])) {
+                System.out.println(toHex(f.getName()));
+            } else {
+                System.out.printf("%s: %b\n", f.getName(), f.exists());
+            }
         }
     }
+
+    private static String toHex(String arg) throws Exception {
+        return String.format("%040x", new java.math.BigInteger(arg.getBytes("UTF-8")));
+    }
 }

README.md

@@ -48,7 +48,27 @@ JDK 6 gives this:
 000000f
 ```
 
-Not the same!! Apparntly it's consistent on Linux, but not on OS X.
+Not the same!! Apparently it's consistent on Linux, but not on OS X.
+
+Another thing to try on both JDKs:
+
+```
+javac Ls.java && java Ls hex
+```
+
+JDK 7 gives this:
+
+```
+-0000000000000003c793c479e3375d1959e899f
+```
+
+JDK 6 gives this:
+
+```
+-000000000000000003c793c473c5ad1959e899f
+```
+
+It's clear that this has nothing to do with the terminal. It's something on the Filesystem level or System encoding level.
 
 ## Versions: