title: How to check if file has special characters such as CR in linux?
body: <p>How to check if file has special characters such as CR in linux?</p>
  
  <p>I have some files that may include special characters. I Know that if I do dos2unix, it will fix the issue. But I recall there is a way to actually view the file and see/print the special characters in it.</p>
  
  <p>Thanks!</p>