Fast and easy syntax highlighting for selected languages, written in Ruby.
CodeRay
About
CodeRay is a Ruby library for syntax highlighting.
You put your code in, and you get it back colored; Keywords, strings, floats, comments - all in different colors. And with line numbers.
Installation
gem install coderay
Dependencies
CodeRay needs Ruby 1.8.7, 1.9.3 or 2.0+. It also runs on JRuby.
Example Usage
require 'coderay'
html = CodeRay.scan("puts 'Hello, world!'", :ruby).div(:line_numbers => :table)
Documentation
See rubydoc.