🦀 Rust Shell

A minimal, customizable command-line shell written in Rust — with features like aliases, environment management, history, prompt customization, and fun facts about Rust on startup. 🧠✨

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🚀 Features

• 💡 Random Rust fun fact on launch
• 🧠 Alias support (with save/load functionality)
• 📂 cd, ls and environment variable handling (setenv, getenv)
• 🧾 Shell history (auto-saved)
• 🧰 Runs system commands cross-platform (Windows/Linux/macOS)
• 🧠 Git branch detection in prompt (if inside a repo)
• ✨ Colored directory listing (on Unix)
• 🔍 Built-in commands like help, whoami-shell, shellinfo
• 🎨 Custom prompt symbol with setprompt

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📦 Installation

1. Prerequisites

• Rust (with cargo)
• Git (optional, for branch detection)
• Build tools (for your OS)

2. Clone and Build

git clone https://github.com/yourusername/rust-shell.git
cd rust-shell
cargo build --release

3. Run

cargo run

Or run the compiled executable:

./target/release/rust-shell

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⚙️ Usage

You can run commands just like in a regular shell:

> ls
> cd my_folder
> setenv NAME Rustacean
> getenv NAME
> alias gs=git status
> gs

📜 Built-in Commands

Command	Description
ls	Lists directory contents (color-coded)
cd <dir>	Changes directory
setenv VAR VAL	Sets an environment variable
getenv VAR	Gets an environment variable
alias a=b	Creates an alias
save-aliases	Saves aliases to aliases.txt
load-aliases	Loads aliases from aliases.txt
setprompt <sym>	Sets custom prompt symbol
shellinfo	Displays system and shell info
whoami-shell	Prints shell identity
help	Lists available commands
exit	Exits the shell

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📁 Files

• src/main.rs - Main source code
• aliases.txt - Saved aliases
• history.txt - Shell history

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🤓 Fun Fact Sample Output

* Welcome to your custom Rust Shell! *
 Fun fact: Rust was voted the 'most loved programming language' on Stack Overflow for 7 years in a row!

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🖥 Screenshot

(Optional: You can add a screenshot of the terminal interface here)

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📜 License

This project is licensed under the MIT License.

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🤝 Contributions

Pull requests are welcome! Feel free to open issues or feature requests.

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💡 Credits

Built with ❤️ and rustyline, git2, sysinfo, and pure Rust magic.