README.md

hello

Greets people from the command line.

Usage

Argument	Description
`NAME`	Optional. The name to greet. Only the first argument is read. Defaults to the `USER` environment variable, then to `world`.
`--shout`	Upper-cases the greeting.
`--version`	Prints the crate version and exits.
`--times N`	Prints the greeting `N` times. Defaults to 1.

$ cargo run -- Ada
Hello, Ada!

$ cargo run -- --shout Ada
HELLO, ADA!

$ cargo run -- --times 2 Ada
Hello, Ada!
Hello, Ada!

$ cargo run -- --version
0.1.0

With no name it greets whoever is signed in.

This project uses the Rust 2021 edition.

cargo test

This project is licensed under the MIT License. The full license text is available at https://opensource.org/license/mit.