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Chapter 21. AppleScript > Introduction to AppleScript

Introduction to AppleScript

When creating BSD shell scripts, you are limited to the input and output of the applications being scripted. Complex applications are often impossible to control because of their inability to process standard input. AppleScript works at an entirely different level—within the applications themselves.

To be controlled by AppleScript, an application must implement a scripting dictionary. A scripting dictionary is a collection of commands and functions that can be invoked through AppleScript. Each application determines the features that it makes available for scripting. The result of this approach is that applications can make their most useful functions available through a script, making it possible to create far more complex scripts.


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