diff options
Diffstat (limited to 'lisp')
| -rw-r--r-- | lisp/dired-aux.el | 37 | ||||
| -rw-r--r-- | lisp/dired.el | 3 | ||||
| -rw-r--r-- | lisp/files.el | 15 |
3 files changed, 50 insertions, 5 deletions
diff --git a/lisp/dired-aux.el b/lisp/dired-aux.el index 925a7d50d6f..21ee50ce5cd 100644 --- a/lisp/dired-aux.el +++ b/lisp/dired-aux.el @@ -1989,6 +1989,19 @@ Optional arg HOW-TO determines how to treat the target. dired-dirs))) + +;; We use this function in `dired-create-directory' and +;; `dired-create-empty-file'; the return value is the new entry +;; in the updated Dired buffer. +(defun dired--find-topmost-parent-dir (filename) + "Return the topmost nonexistent parent dir of FILENAME. +FILENAME is a full file name." + (let ((try filename) new) + (while (and try (not (file-exists-p try)) (not (equal new try))) + (setq new try + try (directory-file-name (file-name-directory try)))) + new)) + ;;;###autoload (defun dired-create-directory (directory) "Create a directory called DIRECTORY. @@ -1997,18 +2010,32 @@ If DIRECTORY already exists, signal an error." (interactive (list (read-file-name "Create directory: " (dired-current-directory)))) (let* ((expanded (directory-file-name (expand-file-name directory))) - (try expanded) new) + new) (if (file-exists-p expanded) (error "Cannot create directory %s: file exists" expanded)) - ;; Find the topmost nonexistent parent dir (variable `new') - (while (and try (not (file-exists-p try)) (not (equal new try))) - (setq new try - try (directory-file-name (file-name-directory try)))) + (setq new (dired--find-topmost-parent-dir expanded)) (make-directory expanded t) (when new (dired-add-file new) (dired-move-to-filename)))) +;;;###autoload +(defun dired-create-empty-file (file) + "Create an empty file called FILE. + Add a new entry for the new file in the Dired buffer. + Parent directories of FILE are created as needed. + If FILE already exists, signal an error." + (interactive (list (read-file-name "Create empty file: "))) + (let* ((expanded (expand-file-name file)) + new) + (if (file-exists-p expanded) + (error "Cannot create file %s: file exists" expanded)) + (setq new (dired--find-topmost-parent-dir expanded)) + (make-empty-file file 'parents) + (when new + (dired-add-file new) + (dired-move-to-filename)))) + (defun dired-into-dir-with-symlinks (target) (and (file-directory-p target) (not (file-symlink-p target)))) diff --git a/lisp/dired.el b/lisp/dired.el index 1348df6934b..26a7449e039 100644 --- a/lisp/dired.el +++ b/lisp/dired.el @@ -1802,6 +1802,9 @@ Do so according to the former subdir alist OLD-SUBDIR-ALIST." (define-key map [menu-bar immediate create-directory] '(menu-item "Create Directory..." dired-create-directory :help "Create a directory")) + (define-key map [menu-bar immediate create-empty-file] + '(menu-item "Create Empty file..." dired-create-empty-file + :help "Create an empty file")) (define-key map [menu-bar immediate wdired-mode] '(menu-item "Edit File Names" wdired-change-to-wdired-mode :help "Put a Dired buffer in a mode in which filenames are editable" diff --git a/lisp/files.el b/lisp/files.el index 6e4f6ca51b9..8057def5259 100644 --- a/lisp/files.el +++ b/lisp/files.el @@ -5519,6 +5519,21 @@ raised." (dolist (dir create-list) (files--ensure-directory dir))))))) +(defun make-empty-file (filename &optional parents) + "Create an empty file FILENAME. +Optional arg PARENTS, if non-nil then creates parent dirs as needed. + +If called interactively, then PARENTS is non-nil." + (interactive + (let ((filename (read-file-name "Create empty file: "))) + (list filename t))) + (when (and (file-exists-p filename) (null parents)) + (signal 'file-already-exists `("File exists" ,filename))) + (let ((paren-dir (file-name-directory filename))) + (when (and paren-dir (not (file-exists-p paren-dir))) + (make-directory paren-dir parents))) + (write-region "" nil filename nil 0)) + (defconst directory-files-no-dot-files-regexp "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*" "Regexp matching any file name except \".\" and \"..\".") |