Simon Willison’s Weblog

ripgrep is faster than {grep, ag, git grep, ucg, pt, sift} (via) Andrew Gallant’s post from September 2016 introducing ripgrep, the command-line grep tool he wrote using Rust (on top of the Rust regular expression library also written by Andrew). ripgrep is a beautifully designed CLI interface and is crazy fast, and this post describes how it gets its performance in a huge amount of detail, right down to comparing the different algorithmic approaches used by other similar tools. I recently learned that ripgrep ships as part of VS Code, which is why VS Code’s search-across-project feature is so fast. In fact, if you dig around in the OS X package you can find the rg binary already installed on your mac: find /Applications/Visual* | grep bin/rg

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