JPS6437637A - Non-continuous area file managing system - Google Patents

Non-continuous area file managing system

Info

Publication number
JPS6437637A
JPS6437637A JP62193764A JP19376487A JPS6437637A JP S6437637 A JPS6437637 A JP S6437637A JP 62193764 A JP62193764 A JP 62193764A JP 19376487 A JP19376487 A JP 19376487A JP S6437637 A JPS6437637 A JP S6437637A
Authority
JP
Japan
Prior art keywords
file
label
area information
expansive
extracted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP62193764A
Other languages
Japanese (ja)
Inventor
Yuji Fukuda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oki Electric Industry Co Ltd
Original Assignee
Oki Electric Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oki Electric Industry Co Ltd filed Critical Oki Electric Industry Co Ltd
Priority to JP62193764A priority Critical patent/JPS6437637A/en
Publication of JPS6437637A publication Critical patent/JPS6437637A/en
Pending legal-status Critical Current

Links

Landscapes

  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

PURPOSE:To rapidly retrieve the physical position of a prescribed block by storing area information indicating the number of all areas in a file and a file area or the physical position of an expansive file label in a file label. CONSTITUTION:An original file label in a prescribed file is read in and the number of expansive file labels up to a file area of '1' is calculated based on the number 32 of all areas in the file. Then, area information for controlling a prescribed block is extracted from the area information 33 of the label 30. When the number of expansive file labels is '0', the physical position of the prescribed block concerned is found out based on the extracted area information, and when the number of expansive file labels is >=1, an expansive file label 34 for controlling the prescribed block based on the extracted area information is read in and the physical position of the prescribed block is found out based on area information 36 extracted from the label.
JP62193764A 1987-08-04 1987-08-04 Non-continuous area file managing system Pending JPS6437637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62193764A JPS6437637A (en) 1987-08-04 1987-08-04 Non-continuous area file managing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62193764A JPS6437637A (en) 1987-08-04 1987-08-04 Non-continuous area file managing system

Publications (1)

Publication Number Publication Date
JPS6437637A true JPS6437637A (en) 1989-02-08

Family

ID=16313419

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62193764A Pending JPS6437637A (en) 1987-08-04 1987-08-04 Non-continuous area file managing system

Country Status (1)

Country Link
JP (1) JPS6437637A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04217088A (en) * 1990-12-17 1992-08-07 Toppan Printing Co Ltd Ic card

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04217088A (en) * 1990-12-17 1992-08-07 Toppan Printing Co Ltd Ic card

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