frep

frep is a fast find-and-replace tool. To replace the string "before" with the string "after" in the current directory:

frep before after

There are a number of command-line flags to change the behaviour of frep, such as --fixed-strings to search without regex. Run frep --help for more information.

Performance

frep is fast. Compared against other tools that respect ignore files such as .gitignore, it is the fastest in many scenarios. Here is a benchmark for comparison, performing a find and replace across the entire Linux kernel repo, finding and replacing the string "before" with "after":

Installation

Cargo

Ensure you have cargo installed (see here), then run:

cargo install frep

Building from source

Ensure you have cargo installed (see here), then run the following commands:

git clone git@github.com:thomasschafer/frep.git
cd frep
cargo install --path frep --locked