save_file_name='C:\Users\cong\Desktop\研一实战\项目\图像中时间数字识别\OCR\result6\';

for j=::

    image_path=strcat('C:\Users\cong\Desktop\研一实战\项目\图像中时间数字识别\trainingSample\num',num2str(j),'\');

    file=dir(image_path);%%%%%%

    txtname=strcat('result',num2str(j),'.txt');

    for i=:length(file)

         path= strcat(image_path,file(i).name);%%%%%%

         fid=fopen([save_file_name,txtname],'a');%%%%%

         fprintf(fid,'%s\n',path);

         fclose('all');

    end

end