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Writing Directly to Disk

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The FCONTROL intrinsic's controlcode parameter settings identify the control operation desired. A setting of 2 ensures that the requested output has been physically completed. (If the file is shared, you must lock the file before calling the FCONTROL intrinsic with a control code of 2.) A control code of 6 provides a similar function. It ensures that the requested output has been physically completed and that the end-of-file has been written.

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