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Performing File Access Library (FAL) Operations 6-33
Hitachi USP V Cross-OS File Exchange User’s Guide
FAL Usage Scenario
Example 1: read data flowchart
dataset_
AllocGlobal
dataset_Open
Check dataset attribute
dataset_Get
Process of reading data
dataset_Close
dataset_FreeGlobal
Error process/End
process
dataset_FreeGlobal
Error
process/End
error
error
error
error
EOF
Keep work area for FAL
Open dataset
Get dataset attribute
information
dataset_
GetFileInformation
Read one data
Close dataset
Release work area for FAL