Directory Operations

Create, read, and manage directories.

Difficulty

Intermediate

Code

use std::fs;
use std::io;
use std::path::Path;

fn main() -> io::Result<()> {
    fs::create_dir_all("test_dir/sub")?;
    fs::write("test_dir/a.txt", "hello")?;
    fs::write("test_dir/b.txt", "world")?;

    for entry in fs::read_dir("test_dir")? {
        let entry = entry?;
        println!("  {}", entry.path().display());
    }

    fs::remove_dir_all("test_dir")?;
    Ok(())
}

Explanation

fs::create_dir_all, read_dir, remove_dir_all for directories.

Key Concepts

• Read the code carefully and understand the data flow
• Try modifying the example to see how it changes behavior
• Run this code in the Rust Playground

Related Topics

Browse more examples in the file-io category to build a complete understanding of this topic.