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Diffstat (limited to 'lisp/ls-lisp.el')
| -rw-r--r-- | lisp/ls-lisp.el | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/lisp/ls-lisp.el b/lisp/ls-lisp.el deleted file mode 100644 index 63c1f66e148..00000000000 --- a/lisp/ls-lisp.el +++ /dev/null @@ -1,132 +0,0 @@ -;;;; dired-lisp.el - emulate ls completely in Emacs Lisp. $Revision: 1.2 $ -;;;; Copyright (C) 1991 Sebastian Kremer <sk@thp.uni-koeln.de> - -;;;; READ THE WARNING BELOW BEFORE USING THIS PROGRAM! - -;;;; Useful if you cannot afford to fork Emacs on a real memory UNIX, -;;;; under VMS, or if you don't have the ls program. - -;; This file is part of GNU Emacs. - -;; GNU Emacs is free software; you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation; either version 1, or (at your option) -;; any later version. - -;; GNU Emacs is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. - -;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs; see the file COPYING. If not, write to -;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. - -;;;; WARNING: - -;;;; Sometimes I get an internal Emacs error: - -;;;; Signalling: (wrong-type-argument natnump #<EMACS BUG: ILLEGAL -;;;; DATATYPE (#o37777777727) Save your buffers immediately and please -;;;; report this bug>) - -;;;; Sometimes emacs just crashes with a fatal error. - -;;; RESTRICTIONS: -;;;; Always sorts by name (ls switches are completely ignored for now) -;;;; Cannot display date of file, displays a fake date "Jan 00 00:00" instead -;;;; Only numeric uid/gid -;;;; Loading ange-ftp breaks it - -;;;; It is surprisingly fast, though! - -;;;; TODO: -;;;; Recognize at least some ls switches: l R g F i - -(require 'dired) ; we will redefine this function: - -(defun dired-ls (file &optional switches wildcard full-directory-p) - "dired-lisp.el's version of dired-ls." -; "Insert ls output of FILE, optionally formatted with SWITCHES. -;Optional third arg WILDCARD means treat FILE as shell wildcard. -;Optional fourth arg FULL-DIRECTORY-P means file is a directory and -;switches do not contain `d'. -; -;SWITCHES default to dired-listing-switches." - (or switches (setq switches dired-listing-switches)) - (if wildcard - (error "Cannot handle wildcards in lisp emulation of `ls'.")) - (if full-directory-p - (let* ((dir (file-name-as-directory file)) - (start (length dir)) - (sum 0)) - (insert "total \007\n") ; fill in afterwards - (insert - (mapconcat - (function (lambda (short) - (let* ((fil (concat dir short)) - (attr (file-attributes fil)) - (size (nth 7 attr))) - ;;(debug) - (setq sum (+ sum size)) - (dired-lisp-format - ;;(file-name-nondirectory fil) - ;;(dired-make-relative fil dir) - ;;(substring fil start) - short - attr - switches)))) - (directory-files dir) - "")) - (save-excursion - (search-backward "total \007") - (goto-char (match-end 0)) - (delete-char -1) - (insert (format "%d" sum))) - ) - ;; if not full-directory-p, FILE *must not* end in /, as - ;; file-attributes will not recognize a symlink to a directory - ;; must make it a relative filename as ls does: - (setq file (file-name-nondirectory file)) - (insert (dired-lisp-format file (file-attributes file) switches))) - ) - -(defun dired-lisp-format (file-name file-attr &optional switches) - (let ((file-type (nth 0 file-attr))) - (concat (nth 8 file-attr) ; permission bits - " " - (dired-lisp-pad (nth 1 file-attr) -3) ; no. of links - ;; numeric uid/gid are more confusing than helpful - ;; Emacs should be able to make strings of them - " " (dired-lisp-pad (nth 2 file-attr) -6) ; uid - " " (dired-lisp-pad (nth 3 file-attr) -6) ; gid - " " - (dired-lisp-pad (nth 7 file-attr) -8) ; size in bytes - ;; file-attributes's time is in a braindead format - ;; Emacs should have a ctime function - " " "Jan 00 00:00 " ; fake time - file-name - (if (stringp file-type) ; is a symbolic link - (concat " -> " file-type) - "") - "\n" - ))) - -;; format should really do anything printf can!! -(defun dired-lisp-pad (arg width &optional pad-char) - "Pad ARG to WIDTH, from left if WIDTH < 0. -Non-nil third arg optional PAD-CHAR defaults to a space." - (or pad-char (setq pad-char ?\040)) - (if (integerp arg) - (setq arg (int-to-string arg))) - (let (l pad reverse) - (if (< width 0) - (setq reverse t - width (- width))) - (setq l (length arg) - pad (- width l)) - (if (> pad 0) - (if reverse - (concat (make-string pad pad-char) arg) - (concat arg (make-string pad pad-char))) - arg))) |