diff --git a/contrib/diffpatch.sh b/contrib/diffpatch.sh
new file mode 100644
index 0000000000..ad311c3214
--- /dev/null
+++ b/contrib/diffpatch.sh
@@ -0,0 +1,5 @@
+#!/bin/sh
+# create a patch file based on file extension
+# $1 folder to run the find in
+# $2 extension to use for the diff
+find $1 -name "*$2" -exec bash -c 'filepath="$1" ; dir=$(dirname "$filepath") ; base=$(basename -s $2 "$filepath") ; diff -pur $filepath $dir/$base' -- {} $2 \;
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