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Edit multiple regions simultaneously in a buffer or a region

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Octocat-spinner-32 README.org
Octocat-spinner-32 iedit.el
README.org

Iedit - Edit multiple regions simultaneously

This package is an Emacs minor mode and allows you to edit one occurrence of some text in a buffer or region, and simultaneously have other occurrences edited in the same way, with visual feedback as you type.

Normal scenario of Iedit mode is like:

  • Highlight certain contents - by press C-; All occurrences of a symbol, string or a rectangle in the buffer or a region may be highlighted corresponding to current mark, point and prefix argument. Refer to the document of `iedit-mode’ for details.
  • Edit one of the occurrences The change is applied to other occurrences simultaneously.
  • Finish - by pressing C-; again

This package also provides rectangle support with visible rectangle highlighting, which is similar with cua mode rectangle support.

You can also use Iedit mode as a quick way to temporarily show only the buffer lines that match the current text being edited. This gives you the effect of a temporary ‘keep-lines’ or ‘occur’. To get this effect, hit `C-’ when in Iedit mode - it toggles hiding non-matching lines.

Renaming refactoring is convinient in Iedit mode

  • The symbol under point is selected as occurrence by default and only complete symbols are matched
  • With digit prefix argument 0, only symbols in current function are matched
  • Restricting symbols in current region can be done by pressing C-; again
  • Last renaming refactoring is remembered and can be applied to other buffers later

There are also some other facilities you may never think about. Refer to the document of function `iedit-mode’ (C-h f iedit-mode RET) for more details.

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