added level2 <-> level3 transformations

[helm.git] / helm / ocaml / extlib / hExtlib.mli

diff --git a/helm/ocaml/extlib/hExtlib.mli b/helm/ocaml/extlib/hExtlib.mli
index cd4cc276ebc8a5084dbdde08c7deae2a6f0e471e..46ea0b9cebfb3f7ddbe3533935adf2b58911ddb0 100644 (file)
--- a/helm/ocaml/extlib/hExtlib.mli
+++ b/helm/ocaml/extlib/hExtlib.mli
@@ -34,6 +34,9 @@ val is_dir: string -> bool  (** @return true if file is a directory *)
 val is_regular: string -> bool  (** @return true if file is a regular file *)
 val mkdir: string -> unit (** create dir and parents. @raise Failure *)
 
+  (** find all _files_ matching test under a filesystem root *)
+val find: ?test:(string -> bool) -> string -> string list 
+
 (** {2 File I/O} *)
 
 val input_file: string -> string  (** read all the contents of file to string *)
@@ -52,6 +55,7 @@ val trim_blanks: string -> string (** strip heading and trailing blanks *)
 (** {2 List processing} *)
 
 val list_uniq: 'a list -> 'a list (* uniq unix filter on lists *)
+val filter_map: ('a -> 'b option) -> 'a list -> 'b list (* filter + map *)
 
 (** {2 Debugging & Profiling} *)