how do i display all audio files in subfolder in matlab in matlab

main.m
% set the path to the directory containing the subfolder
path_to_parent_folder = 'path/to/parent/folder';

% get a list of all items (files and folders) in the directory
items = dir(path_to_parent_folder);

% loop through each item in the directory
for i = 1:length(items)
    % get the current item
    item = items(i);
    
    % check if the current item is a directory and isn't the current or parent directory
    if item.isdir && ~strcmp(item.name, '.') && ~strcmp(item.name, '..')
        % get a list of all items (files and folders) in the subdirectory
        sub_items = dir(fullfile(path_to_parent_folder, item.name));
        
        % loop through each item in the subdirectory
        for j = 1:length(sub_items)
            % get the current sub_item
            sub_item = sub_items(j);
            
            % check if the current sub_item is an audio file
            if ~sub_item.isdir && contains(sub_item.name, {'.wav', '.mp3', '.aac', '.flac'})
                % display the name of the audio file
                fprintf('%s\n', sub_item.name);
            end
        end
    end
end
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