wini 0.1.0

CLI utility for wini
Documentation 
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use {rand::Rng, std::path::Path};

/// Creates a random string of length `length`.
pub fn generate_random_string(length: usize) -> String {
    let characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
    let mut rng = rand::thread_rng();

    (0..length)
        .map(|_| {
            let idx = rng.gen_range(0..characters.len());
            characters.chars().nth(idx).unwrap()
        })
        .collect()
}

/// Copy recursively a directory
pub fn copy_dir_all(src: impl AsRef<Path>, dst: impl AsRef<Path>) -> std::io::Result<()> {
    std::fs::create_dir_all(&dst)?;
    for entry in std::fs::read_dir(src)? {
        let entry = entry?;

        if entry.file_type()?.is_dir() {
            copy_dir_all(entry.path(), dst.as_ref().join(entry.file_name()))?;
        } else {
            std::fs::copy(entry.path(), dst.as_ref().join(entry.file_name()))?;
        }
    }

    Ok(())
}