Bundle file (OS X)

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[[Category:Apple bundle files]]

Revision as of 03:17, 23 November 2019

File Format
Name Bundle file (OS X)
Extension(s) .bundle

An OS X bundle file is actually a directory (folder), but the Mac Finder treats it like a single file. This concept of treating a directory as a file is used commonly in OS X (and iOS) file formats, in preference over the earlier system of using resource forks to attach related items to a file. Various special-purpose "bundles" of this sort exist with a number of different file extensions, such as .app for iOS apps. General-purpose bundles can have a .bundle extension, and some are used in the System and Library directories of OS X. The purpose is to group related files together and treat them as a unit when the user is installing, copying, and moving them, while they remain individually accessible by the programs needing to use them.

Some bundle files have an internal structure with subdirectories within them, while others have a flat structure with all their files in the "root" directory within them.


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