which

A Rust equivalent of Unix command "which". Locate installed executable in cross platforms.

Support platforms

• Linux
• Windows
• macOS

Example

To find which rustc exectable binary is using.

use which::which;

let result = which::which("rustc").unwrap();
assert_eq!(result, PathBuf::from("/usr/bin/rustc"));

Errors

By default this crate exposes a failure based error. This is optional, disable the default features to get an error type implementing the standard library Error trait.

Documentation

The documentation is available online.