a prefix arg lets you edit the `ls' switches used for the new listing."
-(autoload 'dired-string-replace-match "dired-aux"
- "Replace first match of REGEXP in STRING with NEWTEXT.
-If it does not match, nil is returned instead of the new string.
-Optional arg LITERAL means to take NEWTEXT literally.
-Optional arg GLOBAL means to replace all matches."
(autoload 'dired-create-directory "dired-aux"
"Create a directory called DIRECTORY."