Ruby Interpreter - Execute Ruby Code Online - languages Cheatsheets

This online Ruby interpreter allows you to execute Ruby code directly in your browser. It's a convenient tool for testing snippets, learning Ruby, or quickly running scripts without needing a local Ruby environment.

Running Ruby Code

To run your Ruby code, simply paste it into the code block below and click the "Run" button. The output will be displayed below the code.

# Ruby - Interpreted object-oriented scripting language
# Main page: https://www.ruby-lang.org/
# Help and documentation: https://ruby-doc.org/

# To serve the current directory:
ruby -run -e httpd . -p <port>

# To execute a script file:
ruby <file>

# To execute one line of script:
ruby -e 'command'

# To check script file syntax:
ruby -c <file>

# To specify $LOAD_PATH directory:
ruby -Idirectory
ruby -Ispec spec/test_spec.rb

Example Usage

Basic Ruby Script

puts "Hello, World!"

More Complex Example

def factorial(n)
  return 1 if n == 0
  n * factorial(n-1)
end

puts factorial(5) # Output: 120

Remember to consult the official Ruby documentation and Ruby API documentation for more detailed information and advanced usage.