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(* 'top'-like tool for libvirt domains.
(C) Copyright 2007 Richard W.M. Jones, Red Hat Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
This file contains all code which requires CSV support.
(* Output channel, or None if CSV output not enabled. *)
let chan = ref None ;;
fun filename ->
chan := Some (open_out filename) ;;
fun row ->
match !chan with
| None -> () (* CSV output not enabled. *)
| Some chan ->
Csv.save_out chan [row];
(* Flush the output to the file immediately because we don't
* explicitly close this file.