How to filter hidden files after calling MATLAB's dir function

Question

Using MATLAB, I need to extract an array of \"valid\" files from a directory. By valid, I mean they must not be a directory and they must not be a hidden file. Filtering o

Answer 1

Assuming all hidden files start with '.'. Here is a shortcut to remove them:

s = dir(target); % 'target' is the investigated directory

%remove hidden files
s = s(arrayfun(@(x) ~strcmp(x.name(1),'.'),s))

Answer 2

You can combine DIR and FILEATTRIB to check for hidden files.

folder = uigetdir('please choose directory');
fileList = dir(folder);

%# remove all folders
isBadFile = cat(1,fileList.isdir); %# all directories are bad

%# loop to identify hidden files 
for iFile = find(~isBadFile)' %'# loop only non-dirs
   %# on OSX, hidden files start with a dot
   isBadFile(iFile) = strcmp(fileList(iFile).name(1),'.');
   if ~isBadFile(iFile) && ispc
   %# check for hidden Windows files - only works on Windows
   [~,stats] = fileattrib(fullfile(folder,fileList(iFile).name));
   if stats.hidden
      isBadFile(iFile) = true;
   end
   end
end

%# remove bad files
fileList(isBadFile) = [];