Added file to clear all functions with persistent variables.

matlab/clear_persistent_variables.m

@@ -0,0 +1,53 @@
+function clear_persistent_variables(folder)
+
+% Clear all the functions with persistent variables in directory folder (and subdirectories).
+
+% Copyright (C) 2015 Dynare Team
+%
+% This file is part of Dynare.
+%
+% Dynare 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 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 ~nargin || isempty(folder)
+    folder = pwd();
+end
+
+if ~exist('list_of_functions_to_be_cleared.mat') || isolder('list_of_functions_to_be_cleared.mat')
+    if isunix() || ismac()
+        [status, output] = system(sprintf('grep -lr ^persistent %s', folder));
+        list_of_files = strsplit(output);
+        list_of_files(find(cellfun(@isempty, list_of_files))) = [];
+    else
+        [status, output] = system(sprintf('findstr /B/S/M persistent %s\\*', folder));
+        list_of_files = strsplit(output);
+        list_of_files(find(cellfun(@isempty, list_of_files))) = [];
+        i = 1; mobius = true;
+        while mobius
+            if i>length(list_of_files)
+                break
+            end
+            if ismember(list_of_files{i},{'FINDSTR:', 'ignored', '//'})
+                list_of_files(i) = [];
+            else
+                i = i + 1;
+            end
+        end
+    end
+    [paths, list_of_functions, extensions] = cellfun(@fileparts, list_of_files, 'UniformOutput',false);
+    save('list_of_functions_to_be_cleared', 'list_of_functions');
+else
+    load('list_of_functions_to_be_cleared');
+end
+    
+clear(list_of_functions{:});