whoami in rust

A reimplementation of the Linux command whoami in Rust.

link to repo

Overview

whoami displays the user name associated with the current effective user ID. Same as id -un.

Example:

whoami

csm

Development Environment

• Operating System: Linux Mint
• Rust Toolchain

Building the Project

• clone the repo
• cd into the cloned repo
• to build:

cargo build --release

• to build and run:

cargo run -- -help

Commands

whoami <no args>     -> Print effective userid
whoami -version, -v  -> Print whoami version
whoami -help,    -h  -> Print whoami commands

License

MIT

What I learned?

• Simple command does not mean simple to implement
• For the first time wrote some unsafe rust code with libc crate.