restructure + lecutre 07

lectures/05/_build/cat.ml

@@ -0,0 +1,25 @@
+(* display content of file read via stdin *)
+let rec cat () =
+  try
+    let line = read_line () in
+    print_endline line;
+    cat()
+  with
+  | _ -> ();; (* EOF return unit *)
+
+(* similar to main function *)
+let () =
+  let rec aux () =
+    try
+      print_endline @@ read_line ();
+      aux ()
+      with
+      | _ -> ()
+  in
+  aux()
+
+(**** build and test ****)
+(*
+  ocamlbuild cat.native
+  ./cat.native < filename
+*)