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OM 6.5 – User ManualSDIF > Writing SDIF Files
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Writing SDIF Files

SDIF-Buffer

The class SDIF-BUFFER allows to gather SDIF objects and makes the connection with "real" SDIF files.

An SDIF-Buffer contains :

  • A list of SDIF Frames or SDIF Streams
  • A list of SDIFTypes (type declarations)
  • A list of Name/Value tables
More about the SDIF classes (SDIFFrame, SDIFType, SDIFNVT...)

The SDIF-BUFFER and its contents can then be saved in a file using SAVE-SDIF-FILE.

Iterative SDIF file Writing using the File-Box

SDIF data can also be written in a file using the File-Box tool.

This alternative avoids storing large sets of data in your OM patches and write generated SDIF data on-the-fly during an iterative process.

SDIF Write Tools in the File-Box

In order to write data in an SDIF file, the STREAMFILE pointer must be set to "SDIF" first.

The process must then start with a call to SDIF-WRITE-HEADER connected to this pointer (see picture above). SDIF-WRITE-HEADER will write type declarations and name/value tables in the file header, but also some other general data, so it must be called even if there is no type or NVT to write.

Use SDIF-WRITE-FRAME in the rest of your program in order to write the sequence of SDIF frames in the file.

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