diff --git a/myfunctions.sh b/myfunctions.sh
new file mode 100644
index 0000000..6a979b3
--- /dev/null
+++ b/myfunctions.sh
@@ -0,0 +1,7 @@
+function myerror {
+   code=$1
+   shift
+   msg="$*"
+   echo $msg
+   exit $code
+}
diff --git a/test.sh b/test.sh
new file mode 100644
index 0000000..1c31b42
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,8 @@
+#! /bin/bash
+
+set -e
+set -u
+
+source myfunctions.sh
+
+myerror 42 hello world
\ No newline at end of file