Error in fprint command

Hi. here is part of my code. i am getting error in f print command. The code and error message is also attached. If any one can figure out the mistake. Thanks in advance

  % fid = fopen('Result.txt', 'w');
                     fid = fopen(['Result/Result',int2str(k),',',int2str(l),',',int2str(m),',',int2str(n),',','.txt'], 'w');
                    for i=1:256
                         fprintf(fid,'%d',Trans(i,2)); %%% error is at this line(153)
                         fprintf(fid,',');
                    end
                    fclose(fid);
                    
      Error
      Error using fprintf
Invalid file identifier. Use fopen to generate a valid file identifier.

Error in main_new (line 153)
                         fprintf(fid,'%d',Trans(i,2));
 

Answer 1

[Star Strider]

The comma characters may not be permitted in the operating system you are using.

Replacing them with underscores ('_') may be the best option.

[lilly lord]

Thanks.

[Star Strider]

As always, my pleasure!