tldr/pages/common/ruby.md

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# 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}}`
- Show the version of Ruby you are using:
`ruby -v`