in
List.fold_left (fun acc k -> f k (Hashtbl.find tbl k) acc) init sorted_keys
-let wget ?output url =
- let flags =
- (match output with Some file -> ["-O"; file] | None -> []) @ [url]
- in
- debug_print ("wget " ^ String.concat " " flags);
+let cp src dst =
Shell.call
~stdout:Shell.to_dev_null ~stderr:Shell.to_dev_null
- [Shell.cmd "wget" flags]
+ [Shell.cmd "cp" [src; dst]]
+
+let file_scheme_RE = Pcre.regexp "^file://"
+let wget ?output url =
+ let use_wget () =
+ let flags =
+ (match output with Some file -> ["-O"; file] | None -> []) @ [url]
+ in
+ debug_print ("wget " ^ String.concat " " flags);
+ Shell.call
+ ~stdout:Shell.to_dev_null ~stderr:Shell.to_dev_null
+ [Shell.cmd "wget" flags]
+ in
+ if Pcre.pmatch ~rex:file_scheme_RE url then begin (* file:// URL *)
+ let src_fname = Pcre.replace ~rex:file_scheme_RE url in
+ match output with
+ | Some dst_fname -> cp src_fname dst_fname
+ | None ->
+ let dst_fname = Filename.basename src_fname in
+ if src_fname <> dst_fname then
+ cp src_fname dst_fname
+ else (* src and dst are the same: do nothing *)
+ ()
+ end else (* other URL, pass it to wget *)
+ use_wget ()
(* stderr shown as usual *)
let gzip ?(keep = false) fname =
val hashtbl_sorted_fold :
('a -> 'b -> 'c -> 'c) -> ('a, 'b) Hashtbl.t -> 'c -> 'c
+ (** cp frontend *)
+val cp: string -> string -> unit
(** wget frontend, if output is given it is the destination file, otherwise
- standard wget rules are used *)
+ standard wget rules are used. Additionally this function support also the
+ "file://" scheme for file system addressing *)
val wget: ?output: string -> string -> unit
(** gzip frontend, if keep = true original file will be kept *)
val gzip: ?keep: bool -> string -> unit