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Method and system for updating files

A file and error detection code technology, applied in the field of updating the difference of files, can solve the problems of time-consuming and huge time-consuming, and achieve the effect of saving file uploading time and saving file updating time.

Active Publication Date: 2013-01-09
ZHIGU HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the part of the file that has been modified only accounts for a small part of the entire file, so that it takes a lot of time to upload the repeated and unmodified file part each time the file is updated.
When a large number of devices are produced, the time spent on uploading duplicate and unmodified files each time the file is updated is even greater

Method used

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  • Method and system for updating files
  • Method and system for updating files
  • Method and system for updating files

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0029] refer to figure 1 , which shows a flow chart of a method 100 for updating a file according to a preferred embodiment of the present invention. In step 102 of the method 100 for updating files, an error detection code sequence of the first existing file of a device is received. The first existing file adopts an error detection file format. The error detection file format includes at least one block, each block includes an error detection code, and the error detection codes form an error detection code sequence.

[0030] In step 104, it is determined whether the error detection code sequence of an update file is the same as the error detection code sequence of the first existing file. Among them, this update file also uses this debug file format.

[0031] In step 105, when the error detection code sequence of the updated file is the same as the error detection code sequence of the first existing file, no action is performed.

[0032] When the error detection code seque...

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PUM

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Abstract

The invention relates to a method for updating files, comprising the following steps: receiving an error detecting code sequence of a first existing file of a device; judging whether an error detecting code sequence of an updated file is same with the error detecting code sequence of the first existing file or not; finding out a second existing file form a database according to the error detecting sequence of the first existing file when the error detecting code sequence of the updated file is different from the error detecting code sequence of the first existing file; comparing the second existing file and the updated file to obtain a difference file, wherein the difference file is one part of the updated file different from the second existing file; and transmitting the difference file to the device and utilizing the difference file to update the first existing file. The invention also discloses a system for updating files.

Description

technical field [0001] The present invention relates to a method and system for updating a file, and more particularly, to a method and a system for updating the difference part of a file. Background technique [0002] In order for the digital device to operate correctly, the files on the digital device need to be constantly modified and updated. Therefore, updating the files on the digital device is an important step in developing the digital device. [0003] Generally speaking, the closer the files of a digital device are to the stage of sale, the fewer parts of the files that need to be modified. However, in the prior art, after each file modification, the entire file needs to be uploaded to the device for updating. Among them, the modified part of the file only accounts for a small part of the whole file, so that every uploading and updating the file takes a lot of time to upload the repeated and unmodified part of the file. When mass-producing devices, the time consu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/445
Inventor 黄健智
Owner ZHIGU HLDG