/usr/lib/ocaml/oasis/Pager.ml is in liboasis-ocaml-dev 0.3.0-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | (******************************************************************************)
(* OASIS: architecture for building OCaml libraries and applications *)
(* *)
(* Copyright (C) 2008-2010, OCamlCore SARL *)
(* *)
(* This library is free software; you can redistribute it and/or modify it *)
(* under the terms of the GNU Lesser General Public License as published by *)
(* the Free Software Foundation; either version 2.1 of the License, or (at *)
(* your option) any later version, with the OCaml static compilation *)
(* exception. *)
(* *)
(* This library is distributed in the hope that it will be useful, but *)
(* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *)
(* or FITNESS FOR A PARTICULAR PURPOSE. See the file COPYING for more *)
(* details. *)
(* *)
(* You should have received a copy of the GNU Lesser General Public License *)
(* along with this library; if not, write to the Free Software Foundation, *)
(* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *)
(******************************************************************************)
(** Handle 'pager' command
*)
open BaseMessage
open OASISGettext
open OASISUtils
let pager_cmd =
try
Some
(try
Sys.getenv "OASIS_PAGER"
with Not_found ->
begin
try
Sys.getenv "PAGER"
with Not_found ->
OASISFileUtil.which ~ctxt:!BaseContext.default "pager"
end)
with Not_found ->
None
let open_out () =
let buf =
Buffer.create 13
in
let fmt =
Format.formatter_of_buffer buf
in
(buf, fmt),
fmt
let close_out (buf, fmt) =
let () =
Format.pp_print_flush fmt ()
in
match pager_cmd with
| Some cmd ->
begin
let proc =
Unix.open_process_out cmd
in
let () =
Buffer.output_buffer proc buf
in
match Unix.close_process_out proc with
| Unix.WEXITED 0 ->
()
| Unix.WEXITED n
| Unix.WSIGNALED n
| Unix.WSTOPPED n ->
failwithf
(f_ "Command %S exited with error code %d")
cmd n
end
| None ->
begin
warning "%s" "Environment variable OASIS_PAGER not set.";
Buffer.output_buffer stdout buf
end
|