dos2unix

A few ways to remove dos-formatted linebreaks (^M) from your code.

• the culprit - ^M - is actually two characters: ^v and ^m
  • ^v is Ctrl+V
  • ^m is Ctrl+M

• search for ^M and replace it with nothing:
  

  :%s/^v^m//g

• same as vi:
  

  perl -pi -e "s:^v^m::g" <filenames>

• http://www.freebsddiary.org/control-m.php