Hi, To clarify. I'm trying to create a one-liner that looks at the first line only to see if it has a CRLF, and if it does, then go ahead and execute the search and replace on all lines. The search and replace command works. The piece i can't figure out is how to check if a condition exists on the 1st line only and if it does...then execute the command on the entire file in a one-liner.