| 摘要 |
The management of a browser cache is modified, such that when the browser is closed, only those cache files that are classified as potential security risks are erased. Other cache files are not deleted. File classification is based upon matching regular expressions consisting of the entries with a set of qualified content sources, and a set of qualified file names in the cache. Every cache file that fails to match at least one member of the set of content sources and one member of the set of file names is deleted upon browser close. An editable settings file contains the qualified content sources and the qualified file names.
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