tldr/pages/common/ruby.md

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# ruby
> Ruby programming language interpreter.
- Open an Interactive Ruby Shell (REPL):
`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`