┌─ FILE ANALYSIS ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ┐
│ DEVELOPER : Yukihiro Matsumoto
│ CATEGORY : Code
│ MIME TYPE : text/x-ruby
└ ──────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ┘
What is an RB file?
RB files contain source code in Ruby, a dynamic, interpreted programming language designed for developer happiness. Created by Yukihiro “Matz” Matsumoto in 1995, Ruby emphasizes elegant syntax, object-oriented design, and the principle of least surprise. It powers the Ruby on Rails web framework.
How to open RB files
- VS Code (Windows, macOS, Linux) — With Ruby LSP extension
- RubyMine (Windows, macOS, Linux) — JetBrains Ruby IDE
- Ruby interpreter —
ruby script.rbto execute - Any text editor — Ruby files are plain text
Technical specifications
| Property | Value |
|---|---|
| Typing | Dynamic, strong |
| Paradigm | Object-oriented (everything is an object) |
| Interpreter | CRuby (MRI), JRuby, TruffleRuby |
| Package Manager | RubyGems (gem), Bundler |
| Current Version | Ruby 3.3+ |
Common use cases
- Web development: Ruby on Rails applications.
- Scripting: Automation and task scripting.
- DevOps: Chef, Puppet, Vagrant configuration.
- Prototyping: Rapid application development.