Add automatic login script example

examples/lua/automatic-login.lua

@@ -0,0 +1,28 @@
+local logins = {
+    {
+        serialnumber = "foo",
+        username = "foouser",
+        password = "foopass",
+    },
+    {
+        serialnumber = "bar",
+        username = "baruser",
+        password = "barpass",
+    },
+    {
+        serialnumber = "baz",
+        username = "bazuser",
+        password = "bazpass",
+    },
+}
+
+for _, login in ipairs(logins) do
+    send("\n")
+    local found = expect(login.serialnumber .. ".*login:", 10)
+    if (1 == found) then
+        send(login.username .. "\n")
+        expect("Password:")
+        send(login.password .. "\n")
+        break
+    end
+end