How do you search for files containing DOS line endings (CRLF) with grep on Linux?

Question

I want to search for files containing DOS line endings with grep on Linux. Something like this:

grep -IUr --color \'\\         


        

Answer 1

Use Ctrl+V, Ctrl+M to enter a literal Carriage Return character into your grep string. So:

grep -IUr --color "^M"

will work - if the ^M there is a literal CR that you input as I suggested.

If you want the list of files, you want to add the -l option as well.

Explanation

• -I ignore binary files
• -U prevents grep from stripping CR characters. By default it does this it if it decides it's a text file.
• -r read all files under each directory recursively.