ruby

Ruby programming language interpreter. See also: gem, bundler, rake, irb. More information: https://www.ruby-lang.org.

• Execute a Ruby script:

ruby script.rb

• Execute a single Ruby command in the command-line:

ruby -e command

• Check for syntax errors on a given Ruby script:

ruby -c script.rb

• Start the built-in HTTP server on port 8080 in the current directory:

ruby -run -e httpd

• Locally execute a Ruby binary without installing the required library it depends on:

ruby -I path/to/library_folder -r library_require_name path/to/bin_folder/bin_name

• Display Ruby version:

ruby -v