# fs_snapshot > Simple input/output file snapshotting [![Documentation](https://img.shields.io/badge/docs-master-blue.svg)][Documentation] ![License](https://img.shields.io/crates/l/fs_snapshot.svg) [![Crates Status](https://img.shields.io/crates/v/fs_snapshot.svg)](https://crates.io/crates/fs_snapshot) ## Relevant crates Other crates that might be useful in testing command line programs. * [`trycmd`](https://crates.io/crates/trycmd) Command snapshot testing * [`assert_cmd`](https://crates.io/crates/assert_cmd) for command fixtures and assertions. * [`assert_fs`](https://crates.io/crates/assert_fs) for filesystem fixtures and assertions. ## License Licensed under either of * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0) * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT) at your option. ## Contribution Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions. [Crates.io]: https://crates.io/crates/fs_snapshot [Documentation]: https://docs.rs/fs_snapshot