Added lot more example code. (0.39.8).

examples/cli/env_echo.fun

@@ -0,0 +1,23 @@
+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://fun-lang.xyz/
+ *
+ * Copyright 2026 Johannes Findeisen
+ * Licensed under the terms of the Apache-2.0 license.
+ * https://opensource.org/license/apache-2-0
+ *
+ * Added: 2026-03-25
+ */
+
+keys_to_show = ["HOME", "USER", "SHELL", "PATH"]
+for k in keys_to_show
+  print(k + "=" + env(k))
+
+/* Expected output (values depend on your environment):
+HOME=/home/youruser
+USER=youruser
+SHELL=/bin/bash
+PATH=/usr/local/bin:... (truncated)
+*/