diff --git a/check_script.sh b/check_script.sh
new file mode 100755
index 00000000..7268150f
--- /dev/null
+++ b/check_script.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+check_directory() {
+    if ! head -n 20 $FILE | grep -q "Permission is hereby granted, free of charge, to any person obtaining a copy"
+    then
+        echo "$FILE does not contain a current copyright header"
+    fi
+}
+
+for FILE in $(find owncloudComLibrary/src -name "*.java" -o -name "*.kt")
+do
+    check_directory
+done
+
+./gradlew ktlintFormat