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Learn Red ? Fundamentals of Red
book

Learn Red ? Fundamentals of Red

by Ivo Balbaert
May 2018
Beginner content levelBeginner
252 pages
6h 19m
English
Packt Publishing
Content preview from Learn Red ? Fundamentals of Red

Working interactively in the Red console

Like any dynamic language, Red has a REPL console. The red command without arguments (open or double-click red.bat) starts a graphical window console on Windows and macOS, and a command-line console on Linux. If you need a command-line console on Windows and macOS, just use the command red --cli.

The console is a full Red interpreter and expects the input of Red code after the >> prompt, to evaluate and then execute it when pressing Enter. It's a live interaction with the language. Simply giving it a value (here a string indicated by "") returns that value after the ==:

;-- see Chapter02/console-examples.red:>> "Red is awesome"== "Red is awesome"

(You can find the source code of these examples in ...

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Publisher Resources

ISBN: 9781789130706Supplemental Content