![]() View a dictionary and you will see what at first appears very complex: long listings of data types (classes, which are instantiated into objects when they are used), such as application, window, file, and text, and methods (commands) that are applied to the objects of each class. Set mailIsRunning to application process "Mail" exists This complexity arises because AppleScript is in fact an object-orientated language as sophisticated as Objective C, used by pro Mac developers do not be deceived by its apparently relaxed and informal style, with examples such as There are also events, notifications that something has occurred, such as a DVD being inserted, or a file being added to a folder. You might use that code to set up a script that interacts with the Mail application. ![]() It first asks OS X whether it knows that Mail is running, and depending on the answer it executes the code that you insert where the comments (prefaced by ‘-‘ characters) are placed. ![]() Unlike the great majority of programming languages, punctuation marks are used sparsely in AppleScript, making it considerably easier to write code that works, rather than tripping over a missing semicolon. When you are ready to test your script, it compiles into intermediate code, and the editor automatically checks, formats and colours your source code, reporting any errors that it finds. When run, the intermediate code works through OS X to fire off AppleEvents (AEvents) to trigger the target applications to perform the actions.
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