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Some useful idrectory functions
From: |
Davin Pearson |
Subject: |
Some useful idrectory functions |
Date: |
Sat, 15 Jan 2011 16:26:55 -0800 (PST) |
User-agent: |
G2/1.0 |
;;; directory-files-deep.el --- Some useful directory functions
;; Copyright (C) 2006-2011 Davin Pearson
;; Author/Maintainer: Davin Pearson http://www.davinpearson.com
;; Keywords: Recursive directory functions
;; Version: 1.0
;;; Limitation of Warranty
;; This file 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 2, or (at your option)
;; any later version.
;; This file 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, Inc., 51 Franklin Street, Fifth
Floor,
;; Boston, MA 02110-1301, USA.
;;; Install Instructions:
;; See the following URL for the latest info and a tarball:
;; http://davin.50webs.com/research/2006/mopa2e.html#cfm
;; Extract the file in the above-mentioned tarball and put it
;; somewhere in load-path and load it by putting the following
;; command in your .emacs file:
;;
;; (require 'cfm)
;;; Known Bugs:
;; none so far!
;; (directory-files-no-dotdotdot "c:/bak-unix/" )
(defun directory-files-no-dotdotdot (directory &optional full match
nosort)
"Author: Davin Pearson http://www.davinpearson.com"
(let* ((case-fold-search t)
(list (directory-files directory full match nosort))
(ptr list))
(while ptr
(if (string-match "/\\.$" (car ptr))
(setcar ptr "."))
(if (string-match "/\\..$" (car ptr))
(setcar ptr ".."))
(setq ptr (cdr ptr)))
(setq list (delete "." list))
(setq list (delete ".." list))
list))
;;(setq directory "~/cosc/")
;;(setq full t)
;;(setq match "\\.java$")
;;(setq nosort nil)
;;(directory-files-subdirs "~/3-libd/")
;;
(defun directory-files-subdirs (directory &optional full match nosort)
"Author: Davin Pearson http://www.davinpearson.com
NOTE: no .. and ."
(let* ((case-fold-search t)
(list (directory-files-no-dotdotdot directory full match
nosort))
(ptr list)
(dir nil))
(setq directory (expand-file-name directory))
;; REMOVE TRAILING SLASH:
(if (string-match "\\(.*\\)/$" directory)
(setq directory (substring directory (match-beginning 1)
(match-end 1))))
(while ptr
(setq dir (if full (car ptr) (concat directory "/" (car ptr))))
(if (or (not (file-directory-p dir))
(file-symlink-p dir))
(setcar ptr nil))
(setq ptr (cdr ptr)))
(setq list (delete nil list))))
;; (setq directory "~/")
;; (setq full nil)
;; (setq match nil)
;; (setq nosort nil)
;; (setq list (directory-files-no-dotdotdot directory full match
nosort))
;; (setq ptr list)
(defun directory-files-no-subdirs (directory &optional full match
nosort)
"Author: Davin Pearson http://www.davinpearson.com
NOTE: no .. and ."
(let* ((case-fold-search t)
(list (directory-files-no-dotdotdot directory full match
nosort))
(ptr list))
;; REMOVE TRAILING SLASH:
(if (string-match "\\(.*\\)/$" directory)
(setq directory (substring directory (match-beginning 1)
(match-end 1))))
(while ptr
(if (file-directory-p (if full (car ptr) (concat directory
"/" (car ptr))))
(setcar ptr nil))
(setq ptr (cdr ptr)))
(setq list (delete nil list))
list)
)
(quote defun directory-files-deep-inner--string-lessp (string-1
string-2)
"Author: Davin Pearson http://www.davinpearson.com"
(let ((dir-1 nil)
(dir-2 nil))
;;
;; WARNING: accesses global variables: full and directory
;;
(if (not (boundp 'full))
(error "Variable full not bound"))
(if (not (boundp 'directory))
(error "Variable directory not bound"))
;; SET DIR VARS ONE:
;;
(if (file-directory-p (if full string-1 (concat directory "/"
string-1)))
(progn
(setq dir-1 string-1)
(setq string-1 ""))
(progn
(setq dir-1 (file-name-directory string-1))
(setq string-1 (file-name-nondirectory string-1))))
(if (not dir-1) (setq dir-1 ""))
(if (not string-1) (setq string-1 ""))
;;
-------------------------------------------------------------------
;; SET DIR VARS TWO:
;;
(if (file-directory-p (if full string-2 (concat directory "/"
string-2)))
(progn
(setq dir-2 string-2)
(setq string-2 ""))
(progn
(setq dir-2 (file-name-directory string-2))
(setq string-2 (file-name-nondirectory string-2))))
(if (not dir-2) (setq dir-2 ""))
(if (not string-2) (setq string-2 ""))
;;
-------------------------------------------------------------------
;;(setq g-string-1 string-1)
;;(setq g-string-2 string-2)
;; (directory-files-deep-inner--string-lessp "lab9" "lab9.tar")
;; g-string-1 dir-1
;; g-string-2 dir-2
(cond
((string= dir-1 dir-2)
(string-lessp string-1 string-2))
;; ((and (string= "" dir-1)
;; (not (string= "" dir-2)))
;; t)
;;
;; ((and (not (string= "" dir-1))
;; (string= "" dir-2))
;; nil)
;;
(t
(string-lessp dir-1 dir-2)))
)
)
(defun directory-files-deep-inner (directory &optional full match
nosort)
"Author: Davin Pearson http://www.davinpearson.com
NOTE: no .. and ."
;; REMOVE MULTIPLE SLASHES:
(setq directory (expand-file-name directory))
;; REMOVE TRAILING SLASH:
(if (string-match "\\(.*\\)/$" directory)
(setq directory (substring directory (match-beginning 1) (match-
end 1))))
(message "Fn directory-files-deep scanning directory %s " directory)
(let*
;; (directory-files-deep "~/old-sources/" nil "djgpp")
((list-files-that-match (directory-files-no-dotdotdot directory
full match nosort))
(list-all-subdirs (directory-files-subdirs directory full
nil nosort))
(return-list list-files-that-match)
(ptr nil)
(sub-files-list nil))
;; ;; ADD SLASH TO DIR FILES:
;; (setq ptr list-files-that-match)
;; (while ptr
;; (if (file-directory-p (if full (car ptr) (concat directory
"/" (car ptr))))
;; (setcar ptr (concat (car ptr) "/")))
;; (setq ptr (cdr ptr)))
;;
;; DESCEND RECURSIVELY INTO DIRS:
(setq ptr list-all-subdirs)
(while ptr
(setq sub-files-list (directory-files-deep-inner (if full (car
ptr)
(concat
directory "/" (car ptr)))
full match
nosort))
;;(setq sub-files-list (list (concat "directory-files-
deep" (concat directory "/" (car ptr)))))
;;(message "sub-files-list = %s" sub-files-list)
(if (not full)
(setq sub-files-list (mapcar '(lambda (filename)
(concat (car ptr) "/"
filename)
;;"egg"
) sub-files-list)))
;;(message "sub-files-list after procesing = %s" sub-files-list)
(setq return-list (append sub-files-list return-list))
(setq ptr (cdr ptr)))
(setq return-list (delete-duplicates return-list :test 'string=))
;; SORT THE LIST:
(if (not nosort)
(setq return-list (sort* return-list
'string<;;'directory-files-deep-
inner--string-lessp
:key 'downcase)))
return-list))
;;; (setq list (directory-files-deep "d:/home/hairy-lemon/web/
java_tutorials/"))
(defun directory-files-deep (directory &optional full match nosort)
"Author: Davin Pearson http://www.davinpearson.com NOTE: no ..
and ."
;; (interactive "D")
(let ((case-fold-search t)
(result (directory-files-deep-inner directory full match
nosort)))
;;(d-beep)
result))
(provide 'directory-files-deep)
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