Read Yaml File in Rust

Dependencies

add yaml-rust = "0.4" in your Cargo.toml or run cargo add yaml-rust

Code

# file.yaml
clean:
  - ~/
  - ~/.config

// main.rs
use std::fs::File;
use std::io::prelude::*;
use yaml_rust::YamlLoader;

fn main() {
    let file = "file.yaml";
    let mut file = File::open(file).expect("Unable to open file");
    let mut contents = String::new();

    file.read_to_string(&mut contents)
        .expect("Unable to read file");

    let docs = YamlLoader::load_from_str(&contents).unwrap();
    let yaml = &docs[0];
    // println!("{:#?}", yaml);
    let clean = yaml["clean"][0].as_str().unwrap();
    println!("{clean}");
}

result for cargo run:

~/

References

• https://yaml.org/
• yaml_rust