which
A Rust equivalent of Unix command "which". Locate installed executable in cross platforms.
Support platforms
- Linux
- Windows
- macOS
Examples
1) To find which rustc executable binary is using.
``` rust
use which::which;
let result = which("rustc").unwrap();
assert_eq!(result, PathBuf::from("/usr/bin/rustc"));
```
-
After enabling the
regex
feature, find all cargo subcommand executables on the path:``` rust use which::which_re;
which_re(Regex::new("^cargo-.*").unwrap()).unwrap() .for_each(|pth| println!("{}", pth.to_string_lossy())); ```
Documentation
The documentation is available online.