Handling content of a read-only file in a computer's file...

Details Handling content of a read-only file in a computer's file... Handling content of a read-only file in a computer's file...

2007-01-31

2011-12-20

Vo, Tim T (Department: 2168)

Data processing: database and file management or data structures

Database and file access

Preparing data for information retrieval

C707S741000, C707S755000, C707S793000, C707S803000

Reexamination Certificate

active

08082260

ABSTRACT:
Embodiments of the invention relate to manipulating the original content of at least one original read-only computer file in a file-system of a computer system, where the computer system includes an operating system including a framework for in-line monitoring of accesses to the file-system. An exemplary embodiment, includes transforming the original content via a non-length-preserving data transformation algorithm, thereby resulting in transformed content, storing the transformed content in a transformed computer file, splitting the transformed computer tile into a first file and a second file, and associating the first file with the second file in the file-system. The non-length-preserving data transformation algorithm includes a length-increasing data transformation algorithm.

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