The position from which single-byte character fields in a record are extracted and the output field
length are determined by referring to the value specified in the Field Definition file created by the user
(see “Creating a Field Definition File” on page 44 for more information).
Detail specification (the type of conversion table to use and so on) of the alphanumeric character
conversion method is controlled by the default specification parameter in the standard Edit Option
file provided (see “Edit Option File” on page 48 for more information).
Double-byte Character Conversion Function
Code conversion is performed on a data field that consists of only double-byte characters, or
double-byte and single-byte characters that are intermingled. The following figure illustrates the process
flow. The target coding system is as follows:
• Mainframe –> IBM Traditional Chinese: In this case, EBCDIC single-byte-characters are intermingled
with double-byte characters
• Open system –> Big5: In this case, ASCII single-byte characters are intermingled with double-byte
characters.
Figure 4 Double-byte Character Conversion Flow
.
Data is read from an input file per 1 record, the portion of the double-byte character field (single-byte
character can be included in the field) to convert is extracted, and the double-byte character conversion
is performed.
The conversion process is the same as the alphanumeric character conversion explained in
“Alphanumeric Character Conversion Function” on page 20.
P9000 Data Exchange Code Converter User Guide 21
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