hsh

A simple, portable shell written in Crystal with cross-platform compatibility for Linux and Windows.

Features

• 🚀 Cross-platform support: Works on both Linux and Windows
• 📁 Path completion: Intelligent path completion for enhanced productivity
• 🔧 Built-in commands: Supports essential commands like ls and more
• 💎 Crystal-powered: Built with Crystal for performance and reliability
• 🎯 Minimal compatibility: Designed to work seamlessly across different operating systems

Installation

Prerequisites

• Crystal language (>= 1.16.3)

Building from Source

git clone https://github.com/harishtpj/hsh.git
cd hsh
shards install
crystal build src/hsh.cr

Running

./hsh

Usage

Once you start hsh, you'll be presented with an interactive shell prompt. The shell supports:

Built-in Commands

• ls - List directory contents
• Standard shell navigation and file operations
• Cross-platform path handling

Path Completion

Press Tab to auto-complete file and directory paths. The completion system works intelligently across both Linux and Windows path formats.

Example Session

hsh> ls
[directory contents]

hsh> cd /path/to/directory
hsh> ls *.cr
[Crystal files]

Development

Project Structure

src/
├── hsh.cr              # Main entry point
├── hsh/
│   ├── builtins/       # Built-in commands
│   │   └── ls.cr       # ls command implementation
│   ├── errors.cr       # Error handling
│   ├── executor.cr     # Command execution
│   ├── helpers.cr      # Utility functions
│   ├── repl.cr         # Read-Eval-Print Loop
│   └── version.cr      # Version information
└── spec/               # Test files

Dependencies

• shellwords - Shell word parsing
• reply - REPL functionality
• phreak - Additional shell utilities

Running Tests

crystal spec

Development Setup

1. Install dependencies:

   shards install
   

2. Run in development mode:

   crystal run src/hsh.cr
   

3. Build for production:

   crystal build --release src/hsh.cr
   

Roadmap

Current Features (v0.1.0)

• ✅ Basic shell functionality
• ✅ Path completion
• ✅ Cross-platform compatibility (Linux/Windows)
• ✅ Built-in ls command

Planned Features

• 🔄 Enhanced built-in commands: cat, cd, mkdir, rm, cp, mv
• 🔄 Improved path completion: Better fuzzy matching and context awareness
• 🔄 User-friendly features:
  • Command history
  • Syntax highlighting
  • Better error messages
  • Configuration file support
• 🔄 Advanced features:
  • Job control
  • Environment variable management
  • Script execution
  • Pipe and redirection support

Contributing

Contributions are welcome! Please feel free to submit issues, feature requests, or pull requests.

How to Contribute

1. Fork it (https://github.com/harishtpj/hsh/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Areas for Contribution

• Adding new built-in commands
• Improving path completion algorithms
• Enhancing cross-platform compatibility
• Writing tests and documentation
• Performance optimizations

License

This project is licensed under the MIT License - see the LICENSE file for details.

Contributors

• Harish Kumar - creator and maintainer