“超级明星”或者在emacs中找到相当于光标的单词 [英] "super star" or find the word under the cursor equivalent in emacs

问题描述

我是一个vim用户，最近一直在尝试emacs的乐趣。我发现我从vim到目前为止最缺少的功能是超级明星（通过键入*）功能找到光标下的单词，我还没有在emacs中找到等效项。如果没有内置，我需要添加到我的emacs文件以获得类似的东西？

解决方案

As 指出由 paldepind ， isearch-forward-symbol-at-point （ Ms 。默认情况下）在Vim中相当于 * 。此功能从GNU Emacs 24.4开始可用;如果您的Emacs不同或更旧，请阅读替代品。

通常我只是做（ Mb ...） Cs Cw ... Cs 。那就是：

1. Mb 移到感兴趣的词开始
   
   
   
   
   • 零或以上
   
   


2. Cs 开始一个I-Search


3. Cw 以点
   
   
   
   
   • 一个或多个
   
   


4. Cs 找到下一场比赛


5. 更多 Cs 找到以后的比赛


6. RET 退出最近一次比赛的I-search
   
   
   
   
   • 或一堆 Cg 中止回到原始起始位置
   
   

下面是将其集成到I-Search（通过 Cs 和 Cr ;使用 Ch k Cs 获取 isearch 上的信息。

$ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $ $
（lambda（）
重置电流是
（交互式）
（setq isearch-word t
isearch-string
isearch-message）
（isearch-yank-string（word-at-point））））

它进入I-Search利用其字匹配和区分大小写设置（ Cs Mc C - * 将对区分大小写进行搜索点下的单词）。

I'm a vim user and have recently been trying out emacs for fun. I find that the feature I'm missing most so far from vim is the "super star" (find the word under the cursor by typing *) feature, and I have yet to find the equivalent in emacs. If it's not built in, what would I need to add to my emacs file to get something similar?

解决方案

As pointed out by paldepind, isearch-forward-symbol-at-point (M-s., by default) is a close equivalent to * in Vim. This function is available starting in GNU Emacs 24.4; if your Emacs is different or older, read on for alternatives.

Usually I just do (M-b ...) C-s C-w ... C-s. That is:

1. M-b to move to beginning of word(s) of interest
   • zero or more of these
2. C-s to start an I-Search
3. C-w to yank the word(s) starting at point
   • one or more of these
4. C-s to find the next match
5. more C-s to find later matches
6. RET to exit the I-search at the most recent match
   • or a bunch of C-g to abort back to the original starting location

Here is a go at integrating it into I-Search (invoked via C-s and C-r; use C-h k C-s for info on isearch).

(require "thingatpt")
(require "isearch")
(define-key isearch-mode-map (kbd "C-*")
  (lambda ()
    "Reset current isearch to a word-mode search of the word under point."
    (interactive)
    (setq isearch-word t
          isearch-string ""
          isearch-message "")
    (isearch-yank-string (word-at-point))))

Integrating it into I-Search takes advantage of its word matching and case sensitivity settings (C-s M-c C-* would do a case-sensitive search on the word under point).

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