(require 'dired)
(defgroup find-dired nil
"Run a `find' command and dired the output."
:group 'dired
:prefix "find-")
(defcustom find-dired-find-program "find"
"Program used to find files."
:group 'dired
:type 'file)
(defcustom find-ls-option
(if (eq system-type 'berkeley-unix) '("-ls" . "-gilsb")
'("-exec ls -ld {} \\;" . "-ld"))
"*Description of the option to `find' to produce an `ls -l'-type listing.
This is a cons of two strings (FIND-OPTION . LS-SWITCHES). FIND-OPTION
gives the option (or options) to `find' that produce the desired output.
LS-SWITCHES is a list of `ls' switches to tell dired how to parse the output."
:type '(cons (string :tag "Find Option")
(string :tag "Ls Switches"))
:group 'find-dired)
(defcustom find-grep-options
(if (or (eq system-type 'berkeley-unix)
(string-match "solaris2" system-configuration)
(string-match "irix" system-configuration))
"-s" "-q")
"*Option to grep to be as silent as possible.
On Berkeley systems, this is `-s'; on Posix, and with GNU grep, `-q' does it.
On other systems, the closest you can come is to use `-l'."
:type 'string
:group 'find-dired)
(defvar find-args nil
"Last arguments given to `find' by \\[find-dired].")
(defvar find-args-history nil)
(defun find-dired (dir args)
"Run `find' and go into Dired mode on a buffer of the output.
The command run (after changing into DIR) is
find . \\( ARGS \\) -ls
except that the variable `find-ls-option' specifies what to use
as the final argument."
(interactive (list (read-file-name "Run find in directory: " nil "" t)
(read-string "Run find (with args): " find-args
'(find-args-history . 1))))
(let ((dired-buffers dired-buffers))
(setq dir (abbreviate-file-name
(file-name-as-directory (expand-file-name dir))))
(or (file-directory-p dir)
(error "find-dired needs a directory: %s" dir))
(switch-to-buffer (get-buffer-create "*Find*"))
(let ((find (get-buffer-process (current-buffer))))
(when find
(if (or (not (eq (process-status find) 'run))
(yes-or-no-p "A `find' process is running; kill it? "))
(condition-case nil
(progn
(interrupt-process find)
(sit-for 1)
(delete-process find))
(error nil))
(error "Cannot have two processes in `%s' at once" (buffer-name)))))
(widen)
(kill-all-local-variables)
(setq buffer-read-only nil)
(erase-buffer)
(setq default-directory dir
find-args args args (concat find-dired-find-program " . "
(if (string= args "")
""
(concat "\\( " args " \\) "))
(car find-ls-option)))
(dired-mode dir (cdr find-ls-option))
(use-local-map (append (make-sparse-keymap) (current-local-map)))
(define-key (current-local-map) "g" 'undefined)
(if (fboundp 'dired-simple-subdir-alist)
(dired-simple-subdir-alist)
(set (make-local-variable 'dired-subdir-alist)
(list (cons default-directory (point-min-marker)))))
(setq buffer-read-only nil)
(insert " " dir ":\n")
(insert " " args "\n")
(let ((proc (start-process-shell-command find-dired-find-program (current-buffer) args)))
(set-process-filter proc (function find-dired-filter))
(set-process-sentinel proc (function find-dired-sentinel))
(move-marker (process-mark proc) 1 (current-buffer)))
(setq mode-line-process '(":%s"))))
(defun find-name-dired (dir pattern)
"Search DIR recursively for files matching the globbing pattern PATTERN,
and run dired on those files.
PATTERN is a shell wildcard (not an Emacs regexp) and need not be quoted.
The command run (after changing into DIR) is
find . -name 'PATTERN' -ls"
(interactive
"DFind-name (directory): \nsFind-name (filename wildcard): ")
(find-dired dir (concat "-name '" pattern "'")))
(defalias 'lookfor-dired 'find-grep-dired)
(defun find-grep-dired (dir args)
"Find files in DIR containing a regexp ARG and start Dired on output.
The command run (after changing into DIR) is
find . -exec grep -s ARG {} \\\; -ls
Thus ARG can also contain additional grep options."
(interactive "DFind-grep (directory): \nsFind-grep (grep regexp): ")
(find-dired dir
(concat "-type f -exec grep " find-grep-options " "
args " {} \\\; ")))
(defun find-dired-filter (proc string)
(let ((buf (process-buffer proc)))
(if (buffer-name buf) (save-excursion
(set-buffer buf)
(save-restriction
(widen)
(save-excursion
(let ((buffer-read-only nil)
(end (point-max)))
(goto-char end)
(insert string)
(goto-char end)
(or (looking-at "^")
(forward-line 1))
(while (looking-at "^")
(insert " ")
(forward-line 1))
(goto-char (- end 3)) (while (search-forward " ./" nil t)
(delete-region (point) (- (point) 2)))
(goto-char end)
(if (search-backward "\n" (process-mark proc) t)
(progn
(dired-insert-set-properties (process-mark proc)
(1+ (point)))
(move-marker (process-mark proc) (1+ (point)))))
))))
(delete-process proc))))
(defun find-dired-sentinel (proc state)
(let ((buf (process-buffer proc)))
(if (buffer-name buf)
(save-excursion
(set-buffer buf)
(let ((buffer-read-only nil))
(save-excursion
(goto-char (point-max))
(insert "\nfind " state)
(forward-char -1) (insert " at " (substring (current-time-string) 0 19))
(forward-char 1)
(setq mode-line-process
(concat ":"
(symbol-name (process-status proc))))
(delete-process proc)
(force-mode-line-update)))
(message "find-dired %s finished." (current-buffer))))))
(provide 'find-dired)