Real-World Usage of the CLI¶ In this page, you can find real-life examples on the CLI's usage. Evaluating from a file¶ Assuming we have a file called myfile.rsea, it's easy to evaluate it without any coding skills. myfile.rseaIn the terminal # !standard: official-25 # myfile.rsea win.+ -> "You're on Windows" (ubuntu|debian).* -> "Debian-based Linux" .+ -> "Sorry, I don't know your OS" >>> cat myfile.rsea | RSML.CLI eval --expand-any Debian-based Linux