Added lot more example code. (0.39.8).

examples/cli/args_parse.fun

@@ -0,0 +1,41 @@
+#!/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
+ */
+
+// Parse env-style args: ARGS="key=val foo=bar" (since argv is not available here)
+// String helpers
+#include <strings.fun>
+line = env("ARGS")
+if (len(line) == 0)
+  line = "name=Fun color=blue"
+
+parts = str_split(line, " ")
+cfg = {}
+for p in parts
+  if (len(p) == 0) continue
+  eq = find(p, "=")
+  if (eq > 0)
+    k = substr(p, 0, eq)
+    v = substr(p, eq + 1, len(p) - eq - 1)
+    cfg[k] = v
+
+for k in keys(cfg)
+  print(k + ": " + to_string(cfg[k]))
+
+/* Expected output (order of keys may vary):
+name: Fun
+color: blue
+
+With ARGS overridden, e.g.: ARGS="x=1 y=2"
+x: 1
+y: 2
+*/

examples/cli/env_echo.fun

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+#!/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)
+*/