Migration support device

A technology that supports devices and character codes, applied in the field of legacy system migration, can solve problems such as difficulties, cumbersome corrections, and no improvement solutions, and achieve the effect of easy conversion

Active Publication Date: 2017-05-10
HITACHI SOCIAL INFORMATION SERVICES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the correction pattern differs depending on the byte column of the character stored in the area, so correction becomes a very cumbers

Method used

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Examples

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Embodiment Construction

[0026] Such as figure 1 As shown, the work PC 1 is a computer operated by an operator who is responsible for the migration from the current computer 2 to the new computer 3, and is the migration support device of this embodiment. The work PC 1 obtains the input file 21 and the input program 22 from the current computer 2, performs predetermined conversion (details will be described later), and outputs the output file 31 and the output program 32 to the new computer 3.

[0027] The current computer 2 (the first computer) is a general host computer.

[0028] The new computer 3 (the second computer) is an open server computer.

[0029] The input file 21 (the first document file) is a document file containing character data, and is the legacy software of the current computer 2. The character data in the input file 21 will follow the character code system currently processed by the computer 2. The character code system currently processed by the computer 2 is EBCDIK for the character da...

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Abstract

This work PC 1 (migration support device) includes: a character code converting unit (11) that converts an EBCDIK+KEIS code into a UTF-8 code; a program converting unit (12) that converts an input program (22) into an output program (32); an exchange information generating unit (13) which causes the output program (32) to read character data to which the UTF-8 code is allocated, and which generates exchange information E that defines, regarding the read character data, the number of areas on a memory specified by the output program (32) so as to be the same as the number of bytes of a byte sequence expressing the EBCDIK+KEIS code allocated to the character data; and an area storing unit (14) that stores a UTF-8 code allocated to the read character data in the areas the number of which is defined by the exchange information E.

Description

Technical field [0001] The present invention relates to the technology of so-called legacy system migration (hereinafter sometimes referred to as "migration"), and in particular to the migration technology accompanying the switching of character code systems. Background technique [0002] In recent years, there have been many companies and autonomous organizations that wish to perform migration services for migrating business systems (legacy systems) that were previously running on current computers to new computers. As a form of migration, for example, there is an open system running from a general-purpose host computer (or office computer) to an OS (Operating System) such as WINDOWS (registered trademark), UNIX (registered trademark), LINUX (registered trademark), etc. The form of server computer migration. In addition, technologies related to migration have been widely disclosed, for example, in Patent Document 1. [0003] However, there are cases where a predetermined charact...

Claims

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Application Information

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IPC IPC(8): G06F9/45G06F9/44G06F17/22
CPCG06F9/44G06F40/12
Inventor 坂井孝介城代佳范粟河厚志
Owner HITACHI SOCIAL INFORMATION SERVICES LTD
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