change grain_*.mat to grain_details_*.mat have a better regex and target only the desired files

zUtil_ForwardSim/gtFsimCheckMissingGrains.m

@@ -46,7 +46,7 @@ if ~isempty(dates_fsim)
 
     % check if grain_####.mat is up to date (only those existing)
     is_uptodate = false(1, length(grain));
-    list_grains = dir(fullfile( '4_grains',['phase_' sprintf('%02d',phase_num)],'grain_*.mat'));
+    list_grains = dir(fullfile( '4_grains',['phase_' sprintf('%02d',phase_num)],'grain_details_*.mat'));
     for ii = 1 : length(list_grains)
         if datenum(list_grains(ii).date,'dd-mmm-yyyy') >= datemax
             is_uptodate(ii) = true;