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AppleScript is a scripting language created by Apple Inc. and built into Macintosh operating systems since System 7. The term "AppleScript" may refer to the scripting system itself, or to an individual script written in the AppleScript language. AppleScript is primarily a scripting language developed by Apple to do Inter-Application Communication (IAC) using AppleEvents. AppleScript is related to, but different from, AppleEvents. AppleEvents is designed to exchange data between and control other applications in order to automate repetitive tasks. AppleScript has some limited processing abilities of its own, in addition to sending and receiving AppleEvents to applications. AppleScript can do basic calculation, and can do intricate text processing – and it is extensible, allowing the addition of scripting additions which add new functions to the language itself. Mainly, however, AppleScript relies on the functionality of applications and processes to handle complex tasks. As a structured command language, AppleScript can be compared to Unix shells; the Microsoft Windows Script Host; or IBM REXX in its functionality, but it is unique from all three. Essential to its functionality is the fact that Macintosh applications publish "dictionaries" of addressable objects and operations. AppleScript has some elements of object-oriented programming, particularly in the construction of script objects, and natural language programming tendencies in its syntax, but does not strictly conform to either category. == History == The AppleScript project was an outgrowth of the (now discontinued) HyperCard project. HyperCard contained an English language-based scripting language called HyperTalk, which could be used to program a HyperCard stack. Apple engineers recognized that a similar scripting language could be designed to be used with any application, and the AppleScript project was born as part of System 7. AppleScript was released in October 1993 as part of System 7.1.1 (System 7 Pro, the first major upgrade to System 7). QuarkXPress (ver. 3.2) was one of the first major software applications that supported AppleScript. This in turn led to AppleScript being widely adopted within the publishing and prepress world, often tying together complex workflows. This was a key factor in retaining the Macintosh's dominant position in publishing and prepress, even after QuarkXpress and other publishing applications were ported to Microsoft Windows. After some uncertainty about the future of AppleScript on Apple's next generation OS, the move to Mac OS X (around 2002) and its Cocoa frameworks greatly increased the usefulness and flexibility of AppleScript. Cocoa applications allow application developers to implement basic scriptability for their apps with minimal effort, broadening the number of applications that are directly scriptable. At the same time, the shift to the Unix underpinnings and AppleScript's ability to run Unix commands directly allowed AppleScripts much greater control over the operating system itself. AppleScript Studio, released with Mac OS X 10.2 as part of Xcode, and later AppleScriptObjC framework, released in Mac OS X 10.6, allows users to build native Cocoa applications using AppleScript. AppleScript is one component of Mac OS X Automation technologies, along with Services, Automator, and Shell scripting. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「AppleScript」の詳細全文を読む スポンサード リンク
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