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(***********************************************************************)
(* *)
(* MLTk, Tcl/Tk interface of OCaml *)
(* *)
(* Francois Rouaix, Francois Pessaux, Jun Furuse and Pierre Weis *)
(* projet Cristal, INRIA Rocquencourt *)
(* Jacques Garrigue, Kyoto University RIMS *)
(* *)
(* Copyright 2002 Institut National de Recherche en Informatique et *)
(* en Automatique and Kyoto University. All rights reserved. *)
(* This file is distributed under the terms of the GNU Library *)
(* General Public License, with the special exception on linking *)
(* described in file LICENSE found in the OCaml source tree. *)
(* *)
(***********************************************************************)
open Unix
(************************************************************* Subshell call *)
let subshell cmd =
let r,w = pipe () in
match fork () with
0 -> close r; dup2 w stdout;
close stderr;
execv "/bin/sh" [| "/bin/sh"; "-c"; cmd |]
| id ->
close w;
let rc = in_channel_of_descr r in
let rec it () = try
let x = input_line rc in x:: it ()
with _ -> []
in
let answer = it() in
close_in rc; (* because of finalize_channel *)
let _ = waitpid [] id in answer
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