Irb
Irb is the interactive Ruby shell. It's a powerful tool for executing Ruby code interactively, making it perfect for testing snippets, experimenting with the language, or quickly trying out different approaches.
Getting Started with Irb
To start using Irb, simply open your terminal or command prompt and type irb and press Enter. You'll be presented with an interactive prompt where you can type Ruby code and see the results immediately.
Basic Usage
# Start irb
irb
# Ruby code examples
2 + 2
puts "Hello, world!"
More Advanced Techniques
Irb supports a wide range of Ruby features, including:
- Variable assignments
- Method calls
- Control structures (if/else, loops)
- Object creation and manipulation
- And much more!
Explore the capabilities of Ruby by experimenting with different commands and expressions within the Irb environment.