Lib.rs

fs_walk is a Rust crate for efficiently and flexibly walking the filesystem. It provides a simple, ergonomic API for recursively traversing directories with fine-grained control over filtering, sorting, and symlink handling.

Why Use fs_walk?

• Flexible filtering: Filter by file extension, name, regex, or custom predicates.
• Batch processing: Process files in chunks for memory efficiency.
• Symlink handling: Safely follow symlinks with loop protection.
• Ergonomic API: Chainable methods for intuitive configuration.

Features

Installation

Add fs_walk to your Cargo.toml:

[dependencies]
fs_walk = "0.2"

Cargo Features

• regex: Enables regex matching for file and directory names, using the regex crate Enable with:

  [dependencies]
  fs_walk = { version = "0.2", features = ["regex"] }
  

Usage

Basic Usage

Walk all files and directories in the current directory:

use fs_walk::WalkOptions;

let walker = WalkOptions::new().walk(".");
for path in walker.flatten() {
    println!("Found: {:?}", path);
}

Filtering Files

Walk only Rust files (.rs extension):

use fs_walk::WalkOptions;

let walker = WalkOptions::new()
    .files()
    .extension("rs")
    .walk(".");
for path in walker.flatten() {
    println!("Found Rust file: {:?}", path);
}

Chunking Results

Process files in chunks of 10 for batch operations:

use fs_walk::WalkOptions;

let walker = WalkOptions::new()
    .files()
    .extension("o")
    .walk(".")
    .chunks(10);
for chunk in walker {
    for path in chunk.iter().flatten() {
        println!("Processing: {:?}", path);
    }
}

Regex Matching

Walk files matching a regex pattern (requires the regex feature):

use fs_walk::WalkOptions;

let walker = WalkOptions::new()
    .name_regex(r#"^.*\.rs$"#)
    .unwrap()
    .walk(".");
for path in walker.flatten() {
    println!("Found matching file: {:?}", path);
}

Following Symlinks

Walk directories while following symlinks (with loop protection):

use fs_walk::WalkOptions;

let walker = WalkOptions::new()
    .dirs()
    .follow_symlink()
    .walk(".");
for path in walker.flatten() {
    println!("Found directory: {:?}", path);
}

Contributing

Contributions are welcome! If you’d like to report a bug, suggest a feature, or submit a PR.

License

This project is licensed under the GPL-3 License.