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cull-same-dates.el

    

;;; cull-same-dates.el

;; Copyright (C) 2006-2015 Davin Pearson

;; Author/Maintainer: Davin Max Pearson <http://davin.50webs.com>
;; Keywords: Cull Same Dates
;; Version: 1.0

;;; Commentary:

;; This file is not part of GNU Emacs.

;; This file deletes all but one file that was modified at every date,
;; so that you have a maximum of one archive file per day.

;;; Limitation of Warranty

;; This program 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 3 of the License, or (at
;; your option) any later version.
;;
;; This program 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, see:
;;
;; <http://www.gnu.org/licenses/gpl-3.0.txt>.


;;; Install Instructions:
;; See the following URL for the latest info and a tarball:
;;
;; <http://davin.50webs.com/research/2006/mopa2e.html#cull-same-dates>
;;
;; Then untar the tarball to a folder pointed to by the Emacs variable
;; load-path and add the following line to your ~/.emacs file.
;;
;; (require 'cull-same-dates)

;;; Known Bugs:

;; None!

;;; Code:

;;
;; NOTE: small bug in cull-same-dates-inner keeps YYMMDD files
;;
;; (cull-same-dates-inner (setq dirname "d:/home/bak/") (setq extension "\\.tar\\.gz$"))
;; (cull-same-dates-inner (setq dirname "d:/home/not-exist/")   (setq extension "\\.tar\\.gz$"))
;;
;; (cull-same-dates-inner "~/bak/baz" "\\.tar$")
;;
;; (setq dirname "~/bak/smeg/")
;; (setq dirname "~/bak/baz/")
;; (setq extension "\\.tar$")
;; (cull-same-dates-inner dirname extension)
;;
;; (bak--copy-to-other-drive--internal "~/bak" "d:/bak")
;; (cull-same-dates-inner (setq dirname "d:/bak") (setq extension "\\.tar\\.gz$"))
;;
;; (setq extension ".tar.gz")
(defun cull-same-dates-dir-plus-extension (dirname extension)
  (message "cull-same-dates-inner dirname=%s extension=%s" (prin1-to-string dirname) (prin1-to-string extension))
  (assert (string-match "\\.\\(tar\\|tar.gz\\|zip\\)$" extension))
  (when (and (file-exists-p dirname) (file-directory-p dirname))
    (let* ((list   (directory-files dirname nil (concat (regexp-quote extension) "$")))
           (ptr    list))
      ;;(count  0)
      ;;(len    (length list)))
      (while ptr
        ;;(message "cull-same-dates-inner progress=%s%%" (/ (* count 100) len))
        (if (string-match (concat "\\(.*" bak--yyyymmdd "\\)" bak--hhmmss (regexp-quote extension) "$") (car ptr))
            (setcar ptr (substring (car ptr) (match-beginning 1) (match-end 1)))
          (setcar ptr nil))
        ;;(incf count)
        (setq ptr (cdr ptr)))

      (setq list (delete-duplicates list :test 'string=))
      (setq list (delq nil list))
      (setq ptr list)

      (let* ((count 0)
             (len   (length list))
             (pr1-dirname   (prin1-to-string dirname))
             (pr1-extension (prin1-to-string extension)))
        (while ptr
          (incf count)
          (message "cull-same-dates-dirname-plus-extension dirname=%s extension=%s progress=%s%%"
                   pr1-dirname
                   pr1-extension
                   (/ (* count 100) len))
          (let* ((list2 (nreverse (directory-files dirname nil (concat "^"
                                                                       (regexp-quote (car ptr))
                                                                       bak--hhmmss
                                                                       (regexp-quote extension)
                                                                       "$"))))
                 (ptr2  list2))
            ;;(count 0)
            ;;(len   (length list2)))
            (setq ptr2 (cdr ptr2))
            (while ptr2
              (message "Deleting file %s" (concat dirname "/" (car ptr2)))
              (delete-file (concat dirname "/" (car ptr2)))
              (setq ptr2 (cdr ptr2))))
          (setq ptr (cdr ptr)))))))

(defun cull-same-dates (dirname)
  (interactive "DEnter dir: ")
  (let ((d-message-on t))
    (message "cull-same-dates %s" (prin1-to-string dirname))
    (cull-same-dates-dir-plus-extension dirname ".tar")
    (cull-same-dates-dir-plus-extension dirname ".tar.gz")
    (cull-same-dates-dir-plus-extension dirname ".zip")
    )
  )

(defun cull (dirname)
  (interactive "DEnter dir: ")
  (cull-same-dates dirname)
  (cull-size-quota dirname)
  )

(provide 'cull-same-dates)
Back
| Main Menu | Research Projects | Photo Album | Curriculum Vitae | The Greatest Artists |
| Email Address | Computer Games | Web Design | Java Training Wheels | The Fly (A Story) |
| Political Activism | Bob Dylan Quotes+ | My Life Story | Smoking Cessation | Other Links |
| Debugging Macros | String Class I | Linked List System I | Java for C Programmers | Naming Convention |
| String Class II | How I use m4 | Strings III | Symmetrical I/O | Linked Lists II |
| Run-Time Type Info | Virtual Methods | An Array System | Science & Religion | Submodes |
| Nested Packages | Memory Leaks | Garbage Collection | Internet & Poverty | What is Knowledge? |
| Limits of Evolution | Emacs Additions | Function Plotter | Romantic Love | The Next Big Thing |
| Science Fiction | Faster Compilation | Theory of Morality | Elisp Scoping | Elisp Advice |
| S.O.G.M. Pattern | Safe Properties | School Bullying | Charisma Control | Life and Death |
| Splitting Java | Multiple Ctors | Religious Beliefs | Conversation 1 | Conversation 2 |
| J.T.W. Language | Emacs Additions II | Build Counter | Relation Plotter | Lisp++ Language |
| Memory Leaks II | Super Constructors | CRUD Implementation | Order a Website Form | There Is An Afterlife |
| More Occam's Razor | C to Java Translator | Theory of Morality II
Last modified: Sat Apr 29 18:38:30 NZST 2017
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