File management method

File management method

  • CN 101,669,118 A
  • Filed: 02/12/2008
  • Published: 03/10/2010
  • Est. Priority Date: 02/13/2007
  • Status: Active Application
First Claim
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1. a file management method comprises the first step of organizing data library, and described first step comprises the tree derivation of creating M layer catalogue, each catalogue comprises N catalogue, M is the integer greater than 1, and this method also comprises the recording step that writes down described data file, and described recording step comprises:

  • -to data file F to be recorded iIdentification code use hash function, -according to the result of previous step, in having a plurality of layers described tree derivation, determine target directory R DiThe path, -at the described catalogue R that determines by described hash function DiIn, in the position that the identification code by described data file determines, write down described data file, This method also comprises the read step of read data files, and described read step comprises;

    -to data file F to be read jIdentification code use same hash function, -according to the result of previous step, in described tree derivation, determine target directory R CjThe path, -at the described catalogue R that determines by described hash function CjIn, in the position that the identification code by described data file determines, read described data file.

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