title: add suffix without using "additional-suffix" in split
body: <p>-> any other way to add suffix without using "--additional-suffix" , because i want to run this even with an old version that does not have the option "--additional-suffix" </p>
  
  <pre><code>//split list of all files generated so that reading will not be a problem
  sprintf(command,
          "split -l 50000 --additional-suffix=.txt -d -a 3 %s %s_all_files_",
          all_files_fname, time_buf);
  system(command);
  </code></pre>
  
  <p>=================================================================================</p>
  
  <p>split: unrecognized option '--additional-suffix=.txt'
  Try `split --help' for more information.
  cat: .20141104_134258_check_dupl_song_num_result.txt: No such file or directory</p>