;;; find-dired.el --- run a `find' command and dired the output
-;; Copyright (C) 1992, 1994, 1995, 2000, 2001, 2002, 2003, 2004,
-;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1994-1995, 2000-2013 Free Software Foundation,
+;; Inc.
;; Author: Roland McGrath <roland@gnu.org>,
;; Sebastian Kremer <sk@thp.uni-koeln.de>
:group 'dired
:prefix "find-")
+;; FIXME this option does not really belong in this file, it's more general.
+;; Eg cf some tests in grep.el.
+(defcustom find-exec-terminator
+ (if (eq 0
+ (ignore-errors
+ (process-file find-program nil nil nil
+ null-device "-exec" "echo" "{}" "+")))
+ "+"
+ (shell-quote-argument ";"))
+ "String that terminates \"find -exec COMMAND {} \".
+The value should include any needed quoting for the shell.
+Common values are \"+\" and \"\\\\;\", with the former more efficient
+than the latter."
+ :version "24.1"
+ :group 'find-dired
+ :type 'string)
+
;; find's -ls corresponds to these switches.
;; Note -b, at least GNU find quotes spaces etc. in filenames
-;;;###autoload
(defcustom find-ls-option
- (if (eq system-type 'berkeley-unix) (purecopy '("-ls" . "-gilsb"))
- (purecopy '("-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."
+ (if (eq 0
+ (ignore-errors
+ (process-file find-program nil nil nil null-device "-ls")))
+ (cons "-ls"
+ (if (eq system-type 'berkeley-unix)
+ "-gilsb"
+ "-dilsb"))
+ (cons
+ (format "-exec ls -ld {} %s" find-exec-terminator)
+ "-ld"))
+ "A pair of options to produce and parse an `ls -l'-type list from `find'.
+This is a cons of two strings (FIND-OPTION . LS-SWITCHES).
+FIND-OPTION is the option (or options) passed to `find' to produce
+a file listing in the desired format. LS-SWITCHES is a set of
+`ls' switches that tell dired how to parse the output of `find'.
+
+The two options must be set to compatible values.
+For example, to use human-readable file sizes with GNU ls:
+ \(\"-exec ls -ldh {} +\" . \"-ldh\")
+
+To use GNU find's inbuilt \"-ls\" option to list files:
+ \(\"-ls\" . \"-dilsb\")
+since GNU find's output has the same format as using GNU ls with
+the options \"-dilsb\"."
+ :version "24.1" ; add tests for -ls and -exec + support
:type '(cons (string :tag "Find Option")
(string :tag "Ls Switches"))
:group 'find-dired)
-;;;###autoload
-(defcustom find-ls-subdir-switches (purecopy "-al")
+(defcustom find-ls-subdir-switches
+ (if (string-match "-[a-z]*b" (cdr find-ls-option))
+ "-alb"
+ "-al")
"`ls' switches for inserting subdirectories in `*Find*' buffers.
This should contain the \"-l\" switch.
Use the \"-F\" or \"-b\" switches if and only if you also use
them for `find-ls-option'."
+ :version "24.1" ; add -b test
:type 'string
- :group 'find-dired
- :version "22.1")
+ :group 'find-dired)
-;;;###autoload
(defcustom find-grep-options
- (purecopy (if (or (eq system-type 'berkeley-unix)
- (string-match "solaris2" system-configuration)
- (string-match "irix" system-configuration))
- "-s" "-q"))
+ (if (or (eq system-type 'berkeley-unix)
+ (string-match "solaris2\\|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'."
;; This used to be autoloaded (see bug#4387).
(defcustom find-name-arg
- (purecopy (if read-file-name-completion-ignore-case
+ (if read-file-name-completion-ignore-case
"-iname"
- "-name"))
+ "-name")
"Argument used to specify file name pattern.
If `read-file-name-completion-ignore-case' is non-nil, -iname is used so that
find also ignores case. Otherwise, -name is used."
;;;###autoload
(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
+The command run (after changing into DIR) is essentially
find . \\( ARGS \\) -ls
-except that the variable `find-ls-option' specifies what to use
-as the final argument."
+except that the car of the variable `find-ls-option' specifies what to
+use in place of \"-ls\" as the final argument."
(interactive (list (read-directory-name "Run find in directory: " nil "" t)
(read-string "Run find (with args): " find-args
'(find-args-history . 1))))
" " args " "
(shell-quote-argument ")")
" "))
- (if (equal (car find-ls-option) "-exec ls -ld {} \\;")
- (concat "-exec ls -ld "
+ (if (string-match "\\`\\(.*\\) {} \\(\\\\;\\|+\\)\\'"
+ (car find-ls-option))
+ (format "%s %s %s"
+ (match-string 1 (car find-ls-option))
(shell-quote-argument "{}")
- " "
- (shell-quote-argument ";"))
+ find-exec-terminator)
(car find-ls-option))))
;; Start the find process.
(shell-command (concat args "&") (current-buffer))
"Find files in DIR containing a regexp REGEXP and start Dired on output.
The command run (after changing into DIR) is
- find . -exec grep -s -e REGEXP {} \\\; -ls
+ find . \\( -type f -exec `grep-program' `find-grep-options' \\
+ -e REGEXP {} \\; \\) -ls
-Thus ARG can also contain additional grep options."
+where the car of the variable `find-ls-option' specifies what to
+use in place of \"-ls\" as the final argument."
+ ;; Doc used to say "Thus ARG can also contain additional grep options."
+ ;; i) Presumably ARG == REGEXP?
+ ;; ii) No it can't have options, since it gets shell-quoted.
(interactive "DFind-grep (directory): \nsFind-grep (grep regexp): ")
;; find -exec doesn't allow shell i/o redirections in the command,
;; or we could use `grep -l >/dev/null'
" "
(shell-quote-argument "{}")
" "
+ ;; Doesn't work with "+".
(shell-quote-argument ";"))))
(defun find-dired-filter (proc string)
\f
(provide 'find-dired)
-;; arch-tag: 8edece95-af00-4221-bc74-a4bd2f75f9b0
;;; find-dired.el ends here