tldr/pages/common/ruby.md

# ruby

> Ruby programming language interpreter.
> More information: <https://www.ruby-lang.org>.

- Start a REPL (interactive shell):

`irb`

- 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}}`

- Show the version of Ruby you are using:

`ruby -v`