the m-file is something like below
=========begin======================
%
% Status : main Dynare file
%
% Warning : this file is generated automatically by Dynare
% from model file (.mod)
tic;
global M_ oo_ options_ ys0_ ex0_
options_ = [];
global_initialization;
diary off;
logname_ = 'original.log';
if exist(logname_, 'file')
delete(logname_)
end
diary(logname_)
erase_compiled_function('original_dynamic');
make_ex_;
check;
var_list_=[];
info = stoch_simul(var_list_);
save('original_results.mat', 'oo_', 'M_', 'options_');
diary off
===========end======================
