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Image file processing method and device

A technology of mirroring files and processing methods, applied in the field of data processing, can solve problems such as time-consuming and efficiency, and achieve the effect of improving efficiency

Active Publication Date: 2018-01-30
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually, the size of an image file is at least 3GB or 4GB, and it can be seen that the current process of adding files to an image file is time-consuming and inefficient

Method used

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  • Image file processing method and device
  • Image file processing method and device
  • Image file processing method and device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] see figure 1 , figure 1 Flow chart of the method provided for this application. Such as figure 1 As shown, the method includes:

[0028] Step 101, when adding a custom file to the image file, determine the size L of a directory record (Directory Record) corresponding to the custom file.

[0029] The customized files here include but are not limited to pre-configured files and files customized for requirements.

[0030] The following will focus on describing the structure of Directory Record, so I won't go into details here.

[0031] Step 102, determine whether there is a blank area with a size greater than or equal to L in the Directory Record structure storage area corresponding to the image file, and if so, perform step 103.

[0032...

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PUM

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Abstract

The invention provides an image file processing method and device. The method comprises the following steps: when a custom file is added to an image file, if a blank area that satisfies the followingconditions exists in a Directory Record structural storage area corresponding to the image file: if the size of the blank area is greater than or equal to the size L of the Directory Record corresponding to the custom file, then instead of decompressing and recompressing the image file, directly adding the custom file to a set position in the image file, and recording the Directory Record corresponding to the custom file to the blank area with the size greater than or equal to L in the Directory Record structural storage area based on the set position. Compared with the prior art, the image file processing method provided by the invention can quickly add files to the image file, thereby improving the efficiency of adding files to the image file.

Description

technical field [0001] The present application relates to data processing technology, in particular to a method and device for image file processing. Background technique [0002] Due to the development trend of Internet big data, it is often necessary to automatically install the operating system (OS: Operation System) on hundreds of servers. During the OS installation process, there is often a need to customize the installed OS, such as adding an installation package of a required program so that the required program can be automatically installed during the OS installation. [0003] However, in order to realize the above customization requirements, it is necessary to add a file corresponding to the above customization requirements to an image file (also called an ISO image file) in the OS. At present, the specific process of adding files to the image file in the OS is as follows: first decompress the entire image file, then add files to be added to the image file, and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14G06F9/44G06F9/445
CPCG06F11/14
Inventor 石峰
Owner XINHUASAN INFORMATION TECH CO LTD