--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rDiff/tools/whoami.m	Thu Feb 14 23:38:36 2013 -0500
@@ -0,0 +1,32 @@
+function user_name = whoami
+% WHOAMI   Determines user name.
+%
+%   user_name = whoami
+%
+%
+%   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 3 of the License, or
+%   (at your option) any later version.
+%
+%   Written (W) 2009-2010 Gunnar Raetsch
+%   Copyright (C) 2009-2010 Max Planck Society
+%
+
+
+global whoami_user_name  
+  
+if isempty(whoami_user_name)
+  
+  [ret, whoami_user_name]=unix('whoami') ; 
+  if ret~=0,
+    if keyboard_allowed(),
+      keyboard ;
+    end ;
+    whoami_user_name='unknown' ;
+  end ;
+end ;
+
+user_name= whoami_user_name ;
+idx=find(user_name<30, 1, 'first') ;
+user_name = user_name(1:idx-1) ;