|Subject:||Re: Feature request: External grep support|
|Date:||Thu, 30 Apr 2020 09:41:06 +0200|
Could you please give me an example of the command line to understand the issue?
I'm not sure what you did.
2020年4月30日(木) 6:12 Marcus Harnisch <address@hidden>:
> Hi Shigio
> Until now I hadn't noticed that global has its own grep implementation.
> It turns out that running ‘grep -l’ with a fixed string pattern on the list of files obtained with ‘global -P’ consumes about a quarter of the time of the corresponding ‘global -g’ command in a non-trivial code base (emacs-master, total size of files searched amounting to 79MB).
> Modern grep replacements, such as ripgrep (https://github.com/BurntSushi/ripgrep) are even faster than that. Exact numbers will obviously differ based on the actual pattern used.
> Perhaps grep() could be changed to off-loading to an external tool (possibly even configurable via gtags.conf)
Shigio YAMAGUCHI <address@hidden>
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