fix crashes when attempting to delete non-existant previous results

automaticanalysis · Jul 31, 2018 · 26e066e · 26e066e
1 parent 2d0ff01
commit 26e066e
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/aa_modules/aamod_norm_write_dartel.m b/aa_modules/aamod_norm_write_dartel.m
@@ -132,11 +132,14 @@
             f = basename(P);
             P = P(f(:,1) ~= 'w',:);
             imgs = strvcat(imgs, P);
-            % delete previous because otherwise nifti write routine doesn't
-            % save disc space when you reslice to a coarser voxel
+            % delete any previous results because otherwise nifti write routine
+            % doesn't save disc space when you reslice to a coarser voxel
             for c=1:size(P,1)
                 [pth fle ext]=fileparts(P(c,:));
-                [s w] = aas_shell(['rm ' fullfile(pth,[aap.spm.defaults.normalise.write.prefix fle ext])],true); % quietly
+                previous = fullfile(pth,[aap.spm.defaults.normalise.write.prefix fle ext]);
+                if exist(previous,'file') > 0
+                    [s w] = aas_shell(['rm ' previous],true); % quietly
+                end
             end;
             job.data.subj.images = cellstr(imgs);
 
@@ -192,4 +195,4 @@
     otherwise
         aas_log(aap,1,sprintf('Unknown task %s',task));
 end;
-end
+end