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+Q: I've a directory with examples and I want build all of them easily?
+
+R:
+
+  You can use an .itarget file listing all products that you want.
+
+  $ cat examples.itarget
+  examples/a.byte
+  examples/b.byte
+
+  $ ocamlbuild examples.otarget
+
+  You can also have a dynamic rule that read the examples directory:
+
+  $ cat myocamlbuild.ml
+  open Ocamlbuild_plugin;;
+
+  dispatch begin function
+    | After_rules ->
+        let examples =
+          Array.fold_right begin fun f acc ->
+            if Pathname.get_extension f = "ml" then
+              ("examples" / Pathname.update_extension "byte" f) :: acc
+            else
+              acc
+          end (Pathname.readdir "examples") []
+        in
+        rule "All examples"
+          ~prod:"examples.otarget"
+          ~deps:examples
+          (fun _ _ -> Command.Nop)
+    | _ -> ()
+  end
+
+  $ ocamlbuild examples.otarget