Added method for deleting generated files.

Only useful if x13 fails (otherwise the files are deleted).

src/@x13/clean.m

+function clean(o)
+
+% Erase generated files if any.
+
+% Copyright (C) 2017 Dynare Team
+%
+% This code 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.
+%
+% Dynare dates submodule 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 Dynare.  If not, see <http://www.gnu.org/licenses/>.
+
+if ~isempty(o.results)
+    basename = o.results.name;
+    delete(sprintf('%s.*', basename))
+end
\ No newline at end of file

src/@x13/subsref.m

@@ -48,7 +48,7 @@ switch S(1).type
                 error('x13:%s: Wrong calling sequence!', S(1).subs)
             end
         end
-      case {'print', 'run'}
+      case {'print', 'run', 'clean'}
         if isequal(length(S), 1)
             feval(S(1).subs, o);
         elseif isequal(length(S), 2)
@@ -65,6 +65,7 @@ switch S(1).type
             error('x13:: I expect no more than two input arguments!')
         end
       case 'results'
+        % Returns a structure with all the results.
         o = o.results;
       otherwise
         error('x13:: I do not understand what you are asking for!')