expectrl
A Rust library for automating and controlling interactive terminal applications via pseudo-terminals.
What is expectrl?
Expectrl is a Rust library for automating interactive terminal applications by spawning child processes and controlling them through simulated user input and output pattern matching. It solves the problem of automating command-line interactions that require human-like responses to prompts and dynamic output, similar to the classic Expect tool. The library provides a safe and performant way to script terminal sessions within Rust applications.
Rust developers who need to automate interactive command-line tools, test terminal-based applications, or integrate with legacy systems requiring scripted terminal interactions. It is particularly useful for DevOps engineers, QA testers, and system administrators building automation scripts in Rust.
Developers choose Expectrl over alternatives because it brings the proven Expect pattern-matching automation paradigm to Rust with native safety, cross-platform support (including Windows), and optional async capabilities. Its unique selling point is combining the reliability of Expect-style automation with Rust's performance and memory safety guarantees.
Overview
A rust library for controlling interactive programs in a pseudo-terminal
Use Cases
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