Apple Inc.

Caia Grisar

Jens Alfke

Tantek Celik

To expedite the run-time construction of resource table, cache files which contain relevant information needed to build a resource table are stored on associated storage media. When a program builds a resource table, all the information that is recorded in the table from a particular storage medium is also stored in a cache file that is kept on that medium. Included in the cache file is information pertaining to the most recent modification date for each folder or directory that contains a resource of interest. The next time that the table is built, the program compares the modification dates stored in the cache file with the actual modification dates of the folders or directories. If the folders and directories have not been updated since the last time the cache file was created, the information contained therein is loaded into the table. As such, the need to examine each file of interest and obtain the necessary data to record in the table is avoided, thereby substantially decreasing the time needed to build the table, and hence launch a program.

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