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counsel-rgで検索時にオプションを渡す

Last updated at Posted at 2019-11-25

tipsです。毎回忘れちゃうので。
emacsのcounselでcounsel-[rg|ag|pt]などを利用する時に、検索時にオプションを渡す方法。
下記の話は全てinteractiveで使う関数の話です

M-x counsel-rg 
[渡したいoption] -- [検索したいワード]

例: 検索対象ファイルの拡張子(html)を絞り込みたい時

sample
--glob'*.html' -- class='foobar'

注意点

  • 検索するパスを渡すことはできない
  • -i(ignore-case)や-s(--case-sensitive)オプションは自動的に付与される
  • --filesオプションを渡すことはできるが、その後--globオプションによる絞り込みはできない

(追記)打つのがめんどくさいのでこういうelispを登録すると捗ることに気が付いたので掲載

  (defun my/counsel-rg-with-extention (extention)
    "Execute counsel-rg with on cursor files EXTENTION."
    (let ((match-extention extention))
      (string-match "^[A-Za-z0-9_]+\.\\([A-Za-z0-9_\.]+\\):" match-extention)
      (counsel-rg (concat "-g'*." (match-string 1 match-extention) "' -- "))))

  (ivy-set-actions
   'counsel-rg
   '(("e" my/counsel-rg-with-extention "with-extention")))

参照

ここら辺
https://github.com/abo-abo/swiper/blob/master/counsel.el#L2811

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