warn only once when brainvision timestamps cannot be parsed (#1646)

fieldtrip · Jan 21, 2021 · 900cf78 · 900cf78
1 parent a0cea15
commit 900cf78
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/fileio/private/read_brainvision_vmrk.m b/fileio/private/read_brainvision_vmrk.m
@@ -35,6 +35,8 @@
 event = [];
 line  = [];
 
+readTime = ft_platform_supports('datetime');
+
 while ischar(line) || isempty(line)
   line = fgetl(fid);
   if ~isempty(line) && ~(isnumeric(line) && line==-1)
@@ -57,11 +59,12 @@
         event(end  ).value    = tok{2};
         event(end  ).sample   = str2double(tok{3});
         event(end  ).duration = str2double(tok{4});
-        if numel(tok)>5 && ft_platform_supports('datetime')
+        if numel(tok)>5 && readTime
           try
             event(end).timestamp = datetime(tok{6}, 'InputFormat', 'yyyyMMddHHmmssSSSSSS');
           catch
             ft_warning('skipping invalid datetime in BrainVision marker file');
+            readTime = false;
           end
         end
       end