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Ruby programming language interpreter. See also: gem, bundler, rake, irb. More information:

  • 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