;;; files.el --- file input and output commands for Emacs
;; Copyright (C) 1985, 86, 87, 92, 93,
-;; 94, 95, 96, 97, 98, 1999 Free Software Foundation, Inc.
+;; 94, 95, 96, 97, 98, 99, 2000 Free Software Foundation, Inc.
;; Maintainer: FSF
Called with an absolute file name as argument, it returns t to enable backup.")
(defcustom buffer-offer-save nil
- "*Non-nil in a buffer means offer to save the buffer on exit
-even if the buffer is not visiting a file.
+ "*Non-nil in a buffer means always offer to save buffer on exit.
+Do so even if the buffer is not visiting a file.
Automatically local in all buffers."
:type 'boolean
:group 'backup)
(defvar find-file-not-found-hooks nil
"List of functions to be called for `find-file' on nonexistent file.
These functions are called as soon as the error is detected.
-`buffer-file-name' is already set up.
+Variable `buffer-file-name' is already set up.
The functions are called in the order given until one of them returns non-nil.")
;;;It is not useful to make this a local variable.
;; The system null device. (Should reference NULL_DEVICE from C.)
(defvar null-device "/dev/null" "The system null device.")
-;; This hook function provides support for ange-ftp host name
-;; completion. It runs the usual ange-ftp hook, but only for
-;; completion operations. Having this here avoids the need
-;; to load ange-ftp when it's not really in use.
(defun ange-ftp-completion-hook-function (op &rest args)
+ "Provides support for ange-ftp host name completion.
+Runs the usual ange-ftp hook, but only for completion operations."
+ ;; Having this here avoids the need to load ange-ftp when it's not
+ ;; really in use.
(if (memq op '(file-name-completion file-name-all-completions))
(apply 'ange-ftp-hook-function op args)
(let ((inhibit-file-name-handlers
(if handler
(setq filename (funcall handler 'file-truename filename))
;; If filename contains a wildcard, newname will be the old name.
- (if (string-match "[*?]" filename)
+ (if (string-match "[[*?]" filename)
(setq newname filename)
;; If filename doesn't exist, newname will be nil.
(setq newname (w32-long-file-name filename)))
Choose the buffer's name using `generate-new-buffer-name'."
(get-buffer-create (generate-new-buffer-name name)))
-(defvar automount-dir-prefix "^/tmp_mnt/"
- "Regexp to match the automounter prefix in a directory name.")
+(defcustom automount-dir-prefix "^/tmp_mnt/"
+ "Regexp to match the automounter prefix in a directory name."
+ :group 'files
+ :type 'regexp)
(defvar abbreviated-home-dir nil
"The user's homedir abbreviated according to `directory-abbrev-alist'.")
For example, if you specify `*.c', that would visit all the files
whose names match the pattern."
:group 'files
+ :version "20.4"
:type 'boolean)
(defun find-file-noselect (filename &optional nowarn rawfile wildcards)
(find-file-wildcards nil))
(if (null files)
(find-file-noselect filename)
- (car (mapcar #'(lambda (fn) (find-file-noselect fn))
- files))))
+ (car (mapcar #'find-file-noselect files))))
(let* ((buf (get-file-buffer filename))
(truename (abbreviate-file-name (file-truename filename)))
(number (nthcdr 10 (file-attributes truename)))
This is a permanent local.")
(put 'find-file-literally 'permanent-local t)
-(defun find-file-literally (filename)
+(defun find-file-literally (filename)
"Visit file FILENAME with no conversion of any kind.
Format conversion and character code conversion are both disabled,
and multibyte characters are disabled in the resulting buffer.
(funcall (cdr elt))))))))))))
(defun hack-local-variables-prop-line ()
- ;; Set local variables specified in the -*- line.
- ;; Ignore any specification for `mode:' and `coding:';
- ;; set-auto-mode should already have handled `mode:',
- ;; set-auto-coding should already have handled `coding:'.
+ "Set local variables specified in the -*- line.
+Ignore any specification for `mode:' and `coding:';
+`set-auto-mode' should already have handled `mode:',
+`set-auto-coding' should already have handled `coding:'."
(save-excursion
(goto-char (point-min))
(let ((result nil)
(error "-*- not terminated before end of line")))
(while (< (point) end)
(or (looking-at "[ \t]*\\([^ \t\n:]+\\)[ \t]*:[ \t]*")
- (error "malformed -*- line"))
+ (error "Malformed -*- line"))
(goto-char (match-end 0))
;; There used to be a downcase here,
;; but the manual didn't say so,
(defun hack-one-local-variable-quotep (exp)
(and (consp exp) (eq (car exp) 'quote) (consp (cdr exp))))
-;; "Set" one variable in a local variables spec.
-;; A few variable names are treated specially.
(defun hack-one-local-variable (var val)
+ "\"Set\" one variable in a local variables spec.
+A few variable names are treated specially."
(cond ((eq var 'mode)
(funcall (intern (concat (downcase (symbol-name val))
"-mode"))))
backup-by-copying
(and backup-by-copying-when-linked
(> (file-nlinks real-file-name) 1))
- (and (or backup-by-copying-when-mismatch
+ (and (or backup-by-copying-when-mismatch
(integerp backup-by-copying-when-privileged-mismatch))
(let ((attr (file-attributes real-file-name)))
- (and (or backup-by-copying-when-mismatch
+ (and (or backup-by-copying-when-mismatch
(and (integerp (nth 2 attr))
(integerp backup-by-copying-when-privileged-mismatch)
(<= (nth 2 attr) backup-by-copying-when-privileged-mismatch)))
(file-error nil))))))
(defun file-name-sans-versions (name &optional keep-backup-version)
- "Return FILENAME sans backup versions or strings.
+ "Return file NAME sans backup versions or strings.
This is a separate procedure so your site-init or startup file can
redefine it.
If the optional argument KEEP-BACKUP-VERSION is non-nil,
(length name))))))))
(defun file-ownership-preserved-p (file)
- "Returns t if deleting FILE and rewriting it would preserve the owner."
+ "Return t if deleting FILE and rewriting it would preserve the owner."
(let ((handler (find-file-name-handler file 'file-ownership-preserved-p)))
(if handler
(funcall handler 'file-ownership-preserved-p file)
;; The usage of backup-extract-version-start is not very clean,
;; but I can't see a good alternative, so as of now I am leaving it alone.
(defun backup-extract-version (fn)
- "Given the name of a numeric backup file, return the backup number.
+ "Given the name of a numeric backup file, FN, return the backup number.
Uses the free variable `backup-extract-version-start', whose value should be
the index in the name where the version number begins."
(if (and (string-match "[0-9]+~$" fn backup-extract-version-start)
;; I believe there is no need to alter this behavior for VMS;
;; since backup files are not made on VMS, it should not get called.
(defun find-backup-file-name (fn)
- "Find a file name for a backup file, and suggestions for deletions.
+ "Find a file name for a backup file FN, and suggestions for deletions.
Value is a list whose car is the name for the backup file
and whose cdr is a list of old versions to consider deleting now.
If the value is nil, don't make a backup."
(car (cdr (file-attributes filename))))
(defun file-relative-name (filename &optional directory)
- "Convert FILENAME to be relative to DIRECTORY (default: default-directory).
+ "Convert FILENAME to be relative to DIRECTORY (default: `default-directory').
This function returns a relative file name which is equivalent to FILENAME
when used with that default directory as the default.
If this is impossible (which can happen on MSDOS and Windows
If PRED is nil, all the file-visiting buffers are considered.
If PRED is t, then certain non-file buffers will also be considered.
If PRED is a zero-argument function, it indicates for each buffer whether
- to consider it or not."
+to consider it or not when called with that buffer current."
(interactive "P")
(save-window-excursion
(let* ((queried nil)
to nil.
Optional second argument NOCONFIRM means don't ask for confirmation at
-all. (The local variable `revert-without-query', if non-nil, prevents
+all. (The local variable `revert-without-query', if non-nil, prevents
confirmation.)
Optional third argument PRESERVE-MODES non-nil means don't alter
(let ((fn (file-name-nondirectory buffer-file-name)))
(string-match "\\`\\([^.]+\\)\\(\\.\\(..?\\)?.?\\|\\)\\'" fn)
(concat (file-name-directory buffer-file-name)
- "#" (match-string 1 fn)
+ "#" (match-string 1 fn)
"." (match-string 3 fn) "#"))
(concat (file-name-directory buffer-file-name)
"#"
\f
(defcustom list-directory-brief-switches
(if (eq system-type 'vax-vms) "" "-CF")
- "*Switches for list-directory to pass to `ls' for brief listing,"
+ "*Switches for `list-directory' to pass to `ls' for brief listing."
:type 'string
:group 'dired)
(if (eq system-type 'vax-vms)
"/PROTECTION/SIZE/DATE/OWNER/WIDTH=(OWNER:10)"
"-l")
- "*Switches for list-directory to pass to `ls' for verbose listing,"
+ "*Switches for `list-directory' to pass to `ls' for verbose listing."
:type 'string
:group 'dired)
(run-hook-with-args-until-failure 'kill-emacs-query-functions)
(kill-emacs)))
\f
-;; We use /: as a prefix to "quote" a file name
+;; We use /: as a prefix to "quote" a file name
;; so that magic file name handlers will not apply to it.
(setq file-name-handler-alist
(default-directory
(if (eq operation 'insert-directory)
(directory-file-name
- (expand-file-name
+ (expand-file-name
(unhandled-file-name-directory default-directory)))
default-directory))
;; Get a list of the indices of the args which are file names.
HCoop / bpt / emacs.git / commitdiff