matllab 按照文件夹处理文件

folders=dir('文件夹地址');

folders={folders.name};
folders=setdiff(folders,{'.','..'})';
num=length(folders);

utente = 0;

for j=1:n
    utente=utente+1;
    tline = folders{j};
    path_utente= ['文件夹地址',tline,'\'];
    photo_list = dir([path_utente,'\*.文件后缀名']);
    currentRoi= imread([path_utente photo_list(i).name]);  %处理文件
end