diff --git a/tests/script/sh/scalar_demo.lua b/tests/script/sh/scalar_demo.lua
new file mode 100644
index 0000000000000000000000000000000000000000..cecaff90b01534316821b0a025a3fc66f9b219cf
--- /dev/null
+++ b/tests/script/sh/scalar_demo.lua
@@ -0,0 +1,14 @@
+funcName = "test"
+
+ans = 1 
+
+function test_init()
+  return ans  
+end
+
+function test_add(rows, ans)
+  for i=1, #rows do
+    rows[i] = rows[i] + ans  
+  end
+  return rows 
+end