Provide dos2unix and unix2dos interactive commands.

spacemacs/funcs.el

@@ -1025,6 +1025,17 @@ the right."
       (call-interactively 'evil-write)
     (call-interactively 'write-file)))
 
+
+(defun spacemacs/dos2unix ()
+  "Converts the current buffer to UNIX file format."
+  (interactive)
+  (set-buffer-file-coding-system 'undecided-unix nil))
+
+(defun spacemacs/unix2dos ()
+  "Converts the current buffer to DOS file format."
+  (interactive)
+  (set-buffer-file-coding-system 'undecided-dos nil))
+
 (defun spacemacs/copy-file ()
   "Write the file under new name."
   (interactive)

spacemacs/keybindings.el

@@ -119,6 +119,8 @@ Ensure that helm is required before calling FUNC."
   "feD" 'spacemacs/ediff-dotfile-and-template
   "feR" 'dotspacemacs/sync-configuration-layers
   "fev" 'spacemacs/display-and-copy-version
+  "fCd" 'spacemacs/unix2dos
+  "fCu" 'spacemacs/dos2unix
   "fg" 'rgrep
   "fj" 'dired-jump
   "fl" 'find-file-literally