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diff --git a/.emacs.d/lisp/bandali-ibuffer.el b/.emacs.d/lisp/bandali-ibuffer.el
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+;;; bandali-ibuffer.el --- bandali's Ibuffer setup -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2018-2025 Amin Bandali <bandali@gnu.org>
+
+;; Author: Amin Bandali <bandali@gnu.org>
+;; Keywords: tools
+
+;; 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; My Ibuffer setup.
+
+;;; Code:
+
+(with-eval-after-load 'ibuffer
+  (setopt
+   ibuffer-saved-filter-groups
+   '(("default"
+      ("dired" (mode . dired-mode))
+      ("erc" (mode . erc-mode))
+      ("gnus"
+       (or
+        (mode . gnus-group-mode)
+        (mode . gnus-server-mode)
+        (mode . gnus-summary-mode)
+        (mode . gnus-article-mode)
+        (mode . message-mode)))
+      ("shell"
+       (or
+        (mode . eshell-mode)
+        (mode . shell-mode)
+        (mode . term-mode)))
+      ("tex"
+       (or
+        (mode . tex-mode)
+        (mode . bibtex-mode)
+        (mode . latex-mode)))))
+   ibuffer-formats
+   `((mark modified read-only locked
+           " " (name 18 18 :left :elide)
+           " " (size-h 9 -1 :right)
+           " " (mode 16 16 :left :elide) " " filename-and-process)
+     ,@ibuffer-formats))
+  ;; Use human readable Size column instead of original one
+  (define-ibuffer-column size-h
+    (:name "Size" :inline t)
+    (cond
+     ((> (buffer-size) (* 1024 1024))
+      (format "%7.1fM" (/ (buffer-size) (* 1024.0 1024.0))))
+     ((> (buffer-size) (* 100 1024))
+      (format "%7.0fK" (/ (buffer-size) 1024.0)))
+     ((> (buffer-size) 1024)
+      (format "%7.1fK" (/ (buffer-size) 1024.0)))
+     (t (format "%8d" (buffer-size)))))
+
+  (let ((m ibuffer-mode-map))
+    (b/keymap-set m "P" #'ibuffer-backward-filter-group)
+    (b/keymap-set m "N" #'ibuffer-forward-filter-group)
+    (b/keymap-set m "M-p" #'ibuffer-do-print)
+    (b/keymap-set m "M-n" #'ibuffer-do-shell-command-pipe-replace)))
+(b/keymap-global-set "C-x C-b" #'ibuffer)
+(declare-function
+ ibuffer-switch-to-saved-filter-groups "ibuf-ext" (name))
+(add-hook
+ 'ibuffer-hook
+ (lambda () (ibuffer-switch-to-saved-filter-groups "default")))
+
+(provide 'bandali-ibuffer)
+;;; bandali-ibuffer.el ends here