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Activating the XLUF Feature for Nonprintable Characters

You can use the -X option to activate the hexadecimal load and unload format (XLUF) feature in DB–Access at the command line. When you invoke DB–Access with the -X option, the LOAD and UNLOAD SQL statements can format nonprintable ASCII signs in hexadecimal format. The -X option can be used after the -ansi option and before any of the other options. A .unl file that the UNLOAD statement produces contains the hexadecimal format changes.

Important:
The .unl files that contain data in a hexadecimal format are not compatible with Informix database servers prior to Version 6.0. However, .unl files generated without the XLUF functionality are fully compatible with Version 6.0 or later database servers.

For more information, see the descriptions of the LOAD and UNLOAD statements in the IBM Informix: Guide to SQL Syntax. Also see the discussion of the various SQL utilities in the IBM Informix: Migration Guide and the data types information in the IBM Informix: Guide to SQL Reference.

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