speed, compatibility

Author: scivision

+stdlib/private/file_attributes.m

@@ -7,12 +7,13 @@
   return
 end
 
-for n = ["GroupRead", "GroupWrite", "GroupExecute", "OtherRead", "OtherWrite", "OtherExecute"]
+pv = {'GroupRead', 'GroupWrite', 'GroupExecute', 'OtherRead', 'OtherWrite', 'OtherExecute'};
 
+for i = 1:numel(pv)
+  n = pv{i};
   if ~isfield(a, n) || isnan(a.(n))
     a.(n) = false;
   end
-
 end
 
 end