More examples documentation and just small fixes.

examples/for_print_file_line_by_line.fun

@@ -0,0 +1,30 @@
+#!/usr/bin/env fun
+
+/*
+ * This file is part of the Fun programming language.
+ * https://hanez.org/project/fun/
+ *
+ * Copyright 2025 Johannes Findeisen <you@hanez.org>
+ * Licensed under the terms of the ISC license.
+ * https://opensource.org/license/isc-license-txt
+ */
+
+print("=== Line-by-line print start ===")
+
+string file = "/etc/passwd"
+
+// Print each line in a file
+fun print_file_lines(path)
+  content = read_file(path)
+  lines = split(content, "\n")
+  for line in lines
+    print(line)
+
+print("Printing file: " + file)
+print_file_lines(file)
+
+print("=== Line-by-line print end ===")
+
+/* Expected output:
+? The content of /etc/passwd
+*/

examples/for_range_test.fun

@@ -67,3 +67,38 @@ for x in range(1, 3)
     print(x + y)      // expect: 2,3,3,4
 
 print("=== for/range test end ===")
+
+/*
+=== for/range test start ===
+0
+1
+2
+3
+4
+2
+3
+4
+5
+6
+2
+3
+3
+4
+=== for/range test end ===
+=== for/range test start ===
+0
+1
+2
+3
+4
+2
+3
+4
+5
+6
+2
+3
+3
+4
+=== for/range test end ===
+*/