Re: Feature request: External grep support

[Shigio YAMAGUCHI]

Hi Marcus,
Could you please give me an example of the command line to understand the issue?
I'm not sure what you did.

Thanks,
Shigio

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)
>
> Thanks,
> Marcus



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Shigio YAMAGUCHI <address@hidden>
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