diff --git a/src/arff/main.cpp b/src/arff/main.cpp
new file mode 100644
index 0000000..df55c5a
--- /dev/null
+++ b/src/arff/main.cpp
@@ -0,0 +1,5 @@
+#include <iostream>
+
+int main(void) {
+    std::cout << "Hello world" << std::endl;
+}