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projectile-greps are probably the commands that I use the most. However, with some very large projects I am frequently interested in grepping only one subdirectory of the project. For my greps I usually use helm-projectile-agbut it recursively greps in project's root.

The closest think that I have found is helm-do-grep-ag but it works on default-directory. To achieve the effect on grepping specific directory I first have to set that directory as default-directory.

How do you achieve grepping in project's subdirectory? Is there some parameter that I am terribly missing somewhere?

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  • At minimum, M-x rgrep will let you do this. (or M-x lgrep if you don't want recursive searching). I'd be surprised if other facilities don't have that as an option, though. Have you tried using a prefix argument?
    – phils
    May 2, 2019 at 0:01

2 Answers 2

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For grep itself, M-x rgrep (recursive from specified directory), and M-x lgrep (specified directory only) let you do this.

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To achieve what you described I use: helm-ag package. helm-do-ag interactive function will prompt you for the directory where to search. Just bind it to your preferred key shortcut.

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  • How to setq the directory or directories where to search? I would like to use helm-do-grep-ag so it always searches within specific folders. Is this possible? Thanks! Jan 15, 2021 at 10:00
  • I have a small function to do this: github.com/daviderestivo/galactic-emacs/blob/… Jan 20, 2021 at 5:49
  • Thanks, @Davide Restivo. I'm a newbie in elisp. If I wanted to change org directory for.a specific path, how would I replace that in your function? I really don't understand it :/ Thanks for all the help! Jan 20, 2021 at 10:06
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    @EmmanuelGoldstein: here a simplified version that searches in your Document folder and add a keybinding to <f5>. I hope this helps :) Jan 23, 2021 at 7:42
  • Thanks a lot. It works. I replaced helm-do-ag with helm-ag, and it's very useful as it works the same as helm-do-ag, but it prompts for a second search within those found items. Jan 23, 2021 at 11:24

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