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Processing software images for use in generating difference files

  • US 7,089,270 B2
  • Filed: 06/20/2003
  • Issued: 08/08/2006
  • Est. Priority Date: 06/20/2003
  • Status: Active Grant
First Claim
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1. A system for updating electronic files comprising:

  • a first device for generating a difference files that includes coded differences between an original version and a new version of an electronic file, wherein the first device includes at least one component configured for;

    identifying differences between the original version and the new versions corresponding to address shifts resulting from at least one of code line deletion, code line addition, and code line modification;

    removing the identified differences in text sections common to the original version and the new versions by modifying target addresses of instructions of the original version using at least one relationship between addresses of text sections of the original version and corresponding text sections of the new version;

    generating a modified version of the original version that includes the instructions having modified target addresses;

    generating the difference file using the new version and the modified version of the original version; and

    a second device that receives the difference file and generates the new version in the second device using the difference file.

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