diff --git a/zUtil_Python/gtPythonCommand.m b/zUtil_Python/gtPythonCommand.m
index cc380600376c1399b9dfb858fdebf6616b56e42c..ffd7c657e8ba2f3c287d8b4e28b569630aa4834d 100644
--- a/zUtil_Python/gtPythonCommand.m
+++ b/zUtil_Python/gtPythonCommand.m
@@ -1,27 +1,32 @@
-function [status, msg, ver] = gtPythonCommand(args, use_fable)
-% GTPYTHONCOMMAND  Call python witht the proper command
+function [status, msg, ver] = gtPythonCommand(args, use_fable, use_exec)
+% GTPYTHONCOMMAND  Calls python with the proper command
 %
-%     [status, msg, ver] = gtPythonCommand(args[, use_fable])
-%     ------------------------------------------------------------------------
+%     [status, msg, ver] = gtPythonCommand(args, [use_fable], [use_exec])
+%     -------------------------------------------------------------------
 %     INPUT:
-%       args      = <string>  Argumants passed to the python invocation
-%
-%     OPTIONAL INPUT:
-%       use_fable = <logical> Source fable configuration file before {false}
+%       args      = <string>    Arguments passed to the python invocation
+%       use_fable = <logical>   Source fable configuration file before {false}
+%       use_exec  = <logical>   Use the python command before the script {true}
 %
 %     OUTPUT:
-%       status    = <int>     System command return code
-%       msg       = <string>  Python command output
+%       status    = <int>       System command return code
+%       msg       = <string>    Python command output
+%       ver       = <int>       Version of python
 %
-%     OPTIONAL OUTPUT:
-%       ver       = <int>     Version of python
+%     Version 002 08-11-2013 by LNervo
+%       Added option to use or not the python executable
 %
 %     Version 001 08-02-2013 by YGuilhem
 
+
 % Default paramater value
 if ~exist('use_fable', 'var') || isempty(use_fable)
     use_fable = false;
 end
+if ~exist('use_exec', 'var') || isempty(use_exec)
+    use_exec = true;
+end
+
 pythonExes = {'python', 'python26'};
 
 % Loop over each python executables
@@ -51,6 +56,9 @@ if use_fable
 end
 
 % Run command
+if ~use_exec
+    pythonExe = '';
+end
 [status, msg] = system([fableSet pythonExe ' ' args]);
 
 % Add version output if asked