ripgrep is a command line search tool that combines the usability of The Silver Searcher (an ack clone) with the raw speed of GNU grep.
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ripgrep has performance similar to raw grep but provides similar level of usability as The Silver Searcher or ACK.
Pro Supports VCS ignore files
ripgrep can speed up by ignoring files matched by pattern in ".rgignore" (deprecated), ".ignore" (since rg-v0.2.0), and VCS ignore files (e.g., currently only ".gitignore").
Pro Speedy even with Unicode (UTF-8) searches
Pro Lock-free parallel recursive directory search
Pro ripgrep lets you only search certain types of files via file type whitelist
Con Does not support encodings other than UTF-8
If you need to search files with text encodings other than UTF-8 (like UTF-16), then ripgrep won’t work. ripgrep will still work on ASCII compatible encodings like latin1 or otherwise partially valid UTF-8. ripgrep may grow support for additional text encodings over time.
Con Does not support decompression
If you need to search compressed files, ripgrep doesn’t try to do any decompression before searching.