diff --git a/rtdata/languages/generateDiffs.sh b/rtdata/languages/generateDiffs.sh
new file mode 100755
index 000000000..e3b7ed70e
--- /dev/null
+++ b/rtdata/languages/generateDiffs.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+#
+# Append translation differences on the end of all files.  Developers should run this script 
+# after changing default, so that translators can easily see what items need to be translated.
+
+TEMP=temp_file
+
+find . | 
+grep -v 'default' | 
+grep -v 'README' | 
+grep -v 'LICENSE' | 
+grep -v 'generateDiffs.sh' | 
+grep -v '^.$' |
+
+while read X; do 
+	echo "$X"
+
+	#Start by copying the existing file to a temporary one, after sorting and removing all 
+	#previous differences
+	cat "$X" | grep -v '^!' | sort | uniq > "$TEMP"
+
+	echo -e "\n\n!!!!!!!!!!!!!!!!!!!!!!!!!\n! Untranslated keys follow; remove the ! prefix after an entry is translated.\n!!!!!!!!!!!!!!!!!!!!!!!!!\n\n" >> "$TEMP"
+
+	cat 'default' | grep -v '^#' | while read LINE; do
+		KEY=`echo "$LINE" | cut -f 1 -d ';'`
+		grep -q "^$KEY" "$X";
+		if [[ $? != 0 ]]; then
+			echo "!$LINE" >> "$TEMP"
+		fi
+	done
+
+	#Replace the old file with the new one, with a section at the end for differences.
+	mv "$TEMP" "$X"
+done
+