diff --git a/test.sh b/test.sh
new file mode 100755
index 0000000..28ccb16
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+myexit() {
+    echo "./guessfilename_test.sh returned ERROR(S). Please do test and try again."
+    exit 1
+}
+
+## run unit tests beforehand but dump output:
+./guessfilename_test.sh >/dev/null 2>&1 || myexit()
+
+echo
+
+./guessfilename.py -d testdata/2016-02-24\ A1\ Rechnung\ 02-2016\ -\ 12,12\ EUR\ --\ scan\ finance.pdf
+
+##end