AppleScript Language Guide by Apple Computer Inc

By Apple Computer Inc

This publication is a vital reference for an individual utilizing AppleScript to switch current scripts or write new ones. It offers many pattern scripts and discusses complex issues equivalent to writing command handlers for script functions, the scope of script variables and houses declared at various degrees in a script, and inheritance and delegation between script gadgets.

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Extra resources for AppleScript Language Guide

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This chapter describes how to interpret value class definitions, discusses the common characteristics of all value classes, and presents definitions of many value classes supported in AppleScript. It also describes how to coerce values and describes various types of constant values you can use in scripts. Value classes and coercions are described in the following sections: ■ “Common Value Class Definitions” (page 56) provides detailed definitions for a set of commonly used AppleScript value classes.

There are two kinds of comments: ■ A block comment begins with the characters (* and ends with the characters *). Block comments must be placed between other statements. They cannot be embedded in simple statements. ■ An end-of-line comment begins with the characters -- and ends with the end of the line. You can nest comments, that is, comments can contain other comments. Here are some sample comments: --end-of-line comments extend to the end of the line; (* Use block comments for comments that occupy more than one line *) copy result to theCount --stores the result in theCount (* The following subroutine, findString, searches for a string in a list of AppleWorks word processing files *) (* Here are examples of --nested comments (* another comment within a comment *) *) The following block comment causes an error because it is embedded in a statement.

Clean up eject empty ... Objects: ... disk file folder ... window ... Commands and objects in the dictionary resource In addition to the terms defined in application dictionaries, AppleScript includes its own standard terms. Unlike the terms in application dictionaries, the standard AppleScript terms are always available. You can use these terms (such as If, Tell, and First) anywhere in a script. This guide describes the standard terms provided by AppleScript. The words in system and application dictionaries are known as reserved words.

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