Convert DOS line endings to Linux line endings in

Question

If I open files I created in Windows, the lines all end with ^M.
How do I delete these characters all at once?

Answer 1

With the following command:

:%s/^M$//g 

Get the ^M to appear type CtrlV then CtrlM. CtrlV tells Vim to take the next character entered literally.

Answer 2

tr -d '\15\32' < winfile.txt > unixfile.txt

(see: http://kb.iu.edu/data/acux.html)