Made more robust, doesn't redo work now

convert-to-ogg

@@ -3,6 +3,9 @@
 for song in *.m4a ;
 do
     NEW=~/Music/itunes/`basename -- "$song" .m4a`.ogg
-
-    faad -w -- "$song" | oggenc -o "${NEW}" -
+    if [ -ne $NEW ] ; then
+        faad -w -- "$song" | oggenc -o "${NEW}" -
+    else
+        echo "Skipping ${NEW}, already converted."
+    fi
 done