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Writable grep buffer and apply the changes to files
Emacs Lisp
branch: 2.x

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README.md
wgrep-test.el
wgrep.el

README.md

wgrep.el

wgrep allows you to edit a grep buffer and apply those changes to the file buffer.

Install:

Put this file into load-path'ed directory, and byte compile it if desired. And put the following expression into your ~/.emacs.

(require 'wgrep)

Usage:

You can edit the text in the grep buffer after typing C-c C-p. After that the changed text is highlighted. The following keybindings are defined:

  • C-c C-e: Apply the changes to file buffers.
  • C-c C-u: All changes are unmarked and ignored.
  • C-c C-d: Mark as delete to current line (including newline).
  • C-c C-r: Remove the changes in the region (these changes are not applied to the files. Of course, the remaining changes can still be applied to the files.)
  • C-c C-p: Toggle read-only area.
  • C-c C-k: Discard all changes and exit.
  • C-x C-q: Exit wgrep mode.

To save all buffers that wgrep has changed, run

M-x wgrep-save-all-buffers

To save buffer automatically when `wgrep-finish-edit'.

(setq wgrep-auto-save-buffer t)

You can change the default key binding to switch to wgrep.

(setq wgrep-enable-key "r")

To apply all changes wheather or not buffer is read-only.

(setq wgrep-change-readonly-file t)

History:

This program is a forked version. the original version can be downloaded from http://www.bookshelf.jp/elc/grep-edit.el

Following added implementations and differences.

  • Support GNU grep context option -A -B and -C
  • Some bugfix. (wrong coloring text etc..)
  • wdired.el like interface.
  • Remove all advice.
  • Bind to local variables. (grep-a-lot.el works well)
  • After save buffer, colored face will be removed.
  • Change face easy to see.
  • Reinforce checking error.
  • Support removing whole line include new-line.
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