The Silver Searcher, or ag: <a href="https:&#x2F;&#x2F;github.com&#x2F;ggreer&#x2F;the_silver_searcher" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;ggreer&#x2F;the_silver_searcher</a><p>Designed as a replacement for all of the use cases of Ack. Is even faster.