By Apple Computer Inc

This booklet is a necessary reference for an individual utilizing AppleScript to switch present scripts or write new ones. It presents many pattern scripts and discusses complicated subject matters corresponding to writing command handlers for script functions, the scope of script variables and houses declared at assorted degrees in a script, and inheritance and delegation between script items.

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Extra resources for AppleScript Language Guide

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C H A P T E R 3 Values and Constants date "Nov. 19, 1999" relative to date "3PM" --result: date "Friday, November 19, 1999 3:00:00 PM" date "1:30 pm" in date "March 3, 1999" --result: date "Wednesday, March 3, 1999 1:30:00 PM" If you set the Day property of a date to a value that does not fit into the month, the date rolls over to the next month: set myDate to date "Thursday, February 4, 1999 12:00:00 AM" set day of myDate to 37 myDate --result: date "Tuesday, March 9, 1999 12:00:00 AM" COERCIONS SUPPORTED AppleScript supports coercion of a Date value to a single-item list or a string.

Operators transform values or pairs of values into other values. Operators that operate on two values are called binary operators. Operators that operate on a single value are known as unary operators. Chapter 6, “Expressions,” contains a complete list of the operators AppleScript supports and the rules for using them. You can use operations within AppleScript statements, such as: tell application "Finder" open folder (3 + 2) of startup disk end tell When you run this script, AppleScript evaluates the expression (3 uses the result to tell the Finder which folder to open.

Debugging Scripts 2 This section describes several simple techniques you can use to help test and debug scripts. If you write large or complicated scripts, however, you should investigate a commercial script-debugging application from an independent software developer. com/applescript/> For debugging less complex scripts, try the following techniques: ■ Examine the result window to see if the script is producing the desired result. For more information, see “Using Results” (page 121). ■ Comment out certain lines in the script until the rest of the script is working correctly.

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