Elements of ARexx

This section will attempt to introduce the rules and concepts that make up the ARexx programming language and explain how ARexx interprets the characters and words used in programs. The elements that are explained are as follows:

• Tokens - The smallest element of the ARexx language.
• Clauses - The smallest executable unit.
• Expressions - A group of evaluated tokens.
• The Command Interface - The process by which ARexx programs communicate with other programs.

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