Convert DOS line endings to Linux line endings in vim
If I open files I created in Windows, the lines all end with ^M .
How do I delete these characters all at once?
dos2unix is a commandline utility that will do this, or :%s/^M//g will if you use Ctrl-v Ctrl-m to input the ^M, or you can :set ff=unix and vim will do it for you.
Docs on the 'fileformat' setting are here, and the vim wiki has a comprehensive page on line ending conversions.
Alternately, if you move files back and forth a lot, you might not want to convert them, but rather to do :set ff=dos , so vim will know it's a DOS file and use DOS conventions for line endings.
Change the lineendings in the view:
:e ++ff=dos
:e ++ff=mac
:e ++ff=unix
This can also be used as saving operation (:w alone will not save using the lineendings you see on screen):
:w ++ff=dos
:w ++ff=mac
:w ++ff=unix
And you can use it from the command-line:
for file in $(ls *cpp)
do
vi +':w ++ff=unix' +':q' ${file}
done
I typically use
:%s/r/r/g
which seems a little odd, but works because of the way that vim matches linefeeds. I also find it easier to remember :)
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