我希望弄清楚如何进行查询搜索,该搜索将注释掉一行而不是查询替换。也就是说,进行交互式查询搜索,如果我同意,请注释掉匹配所在的行。
该命令存在吗?如果没有,我该怎么写?我是elisp的新手,也不知道如何编写自己的函数。
我希望弄清楚如何进行查询搜索,该搜索将注释掉一行而不是查询替换。也就是说,进行交互式查询搜索,如果我同意,请注释掉匹配所在的行。
该命令存在吗?如果没有,我该怎么写?我是elisp的新手,也不知道如何编写自己的函数。
Answers:
(defun my-comment-matching-line ()
(interactive "*")
(call-interactively 'search-forward)
(beginning-of-line)
;; don't comment the region maybe
(push-mark)
(comment-line 1))
如果注释行不可用,请访问最新的newcomment.el:
(defun comment-line (n)
"Comment or uncomment current line and leave point after it.
With positive prefix, apply to N lines including current one.
With negative prefix, apply to -N lines above. Also, further
consecutive invocations of this command will inherit the negative
argument.
If region is active, comment lines in active region instead.
Unlike `comment-dwim', this always comments whole lines."
(interactive "p")
(if (use-region-p)
(comment-or-uncomment-region
(save-excursion
(goto-char (region-beginning))
(line-beginning-position))
(save-excursion
(goto-char (region-end))
(line-end-position)))
(when (and (eq last-command 'comment-line-backward)
(natnump n))
(setq n (- n)))
(let ((range
(list (line-beginning-position)
(goto-char (line-end-position n)))))
(comment-or-uncomment-region
(apply #'min range)
(apply #'max range)))
(forward-line 1)
(back-to-indentation)
(unless (natnump n) (setq this-command 'comment-line-backward))))
query-replace-regexp
。用注释开头的行替换该行。