Ruby - Programming language

Ruby is a programming language created in 1995 by Yukihiro Matsumoto.

Source code:

git clone https://github.com/ruby/ruby

#11on PLDB

28Years Old

3mRepos

Ruby is a dynamic, reflective, object-oriented, general-purpose programming language. It was designed and developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan. According to its creator, Ruby was influenced by Perl, Smalltalk, Eiffel, Ada, and Lisp. Read more on Wikipedia...

Ruby website
Ruby downloads page
Ruby Wikipedia page
Ruby is developed on GitHub and has 20,194 stars
Watch the history of the Ruby repo visualized with Gource
Ruby docs
Ruby specs
Ruby mailing list
There are at least 2,659,551 Ruby repos on GitHub
Ruby first developed in https://ml.ruby-lang.org/mailman3/hyperkitty/list/ruby-talk@ml.ruby-lang.org/
PLDB estimates there are currently 11k job openings for Ruby programmers.
file extensions for Ruby include rb, builder, eye, fcgi, gemspec, god, jbuilder, mspec, pluginspec, podspec, prawn, rabl, rake, rbi, rbuild, rbw, rbx, ru, ruby, spec, thor, watchr, Rakefile, duby, Gemfile and Vagrantfile
Recurring conference about Ruby: RubyConf
The Google BigQuery Public Dataset GitHub snapshot shows 186k users using Ruby in 374k repos on GitHub
Check out the 932 Ruby meetup groups on Meetup.com.
There are 75,926 members in the Ruby subreddit
There are 5,435 Project Euler users using Ruby
In the 2021 StackOverflow developer survey Ruby programmers reported a median salary of $80,000. 7% of respondents reported using Ruby. 5,569 programmers reported using Ruby, and 4,942 said they wanted to use it
Explore Ruby snippets on Rosetta Code
Ruby on HOPL
Ruby ranks #13 in the TIOBE Index
Ruby Ubuntu package
ANTLR grammar for Ruby
Ruby LSP implementation
CodeMirror package for syntax highlighting Ruby
Monaco package for syntax highlighting Ruby
Pygments supports syntax highlighting for Ruby
GitHub supports syntax highlighting for Ruby
Ruby appears in the Quine Relay project
There is 1 Jupyter Kernel for Ruby
There is a central package repository for Ruby
Release Notes for Ruby
Official Blog page for Ruby
Frequently Asked Questions for Ruby
Indeed.com has 8,719 matches for "ruby engineer".
See also: (40 related languages)Ruby on Rails, C, YARV, JRuby, Ada, CLU, Dylan, Eiffel, Lisp, Lua, Perl, Python, Smalltalk, Clojure, CoffeeScript, Crystal, D, Elixir, Falcon, Groovy, Ioke, Julia, Mirah, Nu, Rust, Swift, Unicode, Regular Expressions, YAML, JSON, XML, Java, C#, JVM, LLVM IR, JavaScript, Objective-C, Parrot, Linux, Solaris
Read more about Ruby on the web: 1.

Example from Compiler Explorer:

# Type your code here, or load an example.
def square(num)
  num * num
end

Example from Riju:

puts "Hello, world!"

Example from hello-world:

#!/usr/bin/env ruby
print "Hello World"

Example from the Hello World Collection:

# Hello World in Ruby
puts "Hello World!"

Example from Linguist:

module Foo
end

Example from Wikipedia:

"Hello, World!".in_blue
 => "<span style=\"color: #00f\">Hello, World!</span>"

Ruby Keywords

__ENCODING__ __FILE__ __LINE__ alias and BEGIN begin break case class def defined do else elsif END end ensure false for if in module next nil not or redo rescue retry return self super then true undef unless until when while yield