val create : ?parents:bool ‑> Filename.t ‑> unit(describe-function 'make-directory)(Info-goto-node "(elisp)Create/Delete Dirs")
val delete : ?recursive:bool ‑> Filename.t ‑> unit(describe-function 'delete-directory)(Info-goto-node "(elisp)Create/Delete Dirs")
val files : ?absolute:bool ‑> ?include_dot_and_dotdot:bool ‑> ?matching:Regexp.t ‑> ?sort:bool ‑> Filename.t ‑> Filename.t list(describe-function 'directory-files)(Info-goto-node "(elisp)Contents of Directories")
val files_recursively : ?include_directories:bool ‑> ?matching:Regexp.t ‑> Filename.t ‑> Filename.t list(describe-function 'directory-files-recursively)(Info-goto-node "(elisp)Contents of Directories")