The FLUSH procedure causes all buffered output on the specified file units to be written. IDL uses buffered output for reasons of efficiency. This buffering leads to rare occasions where a program needs to be certain that output data are not waiting in a buffer, but have actually been output.

Syntax

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FLUSH, Unit₁, ..., Unit_n

Arguments

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Unit_i

The file units (logical unit numbers) to flush.

Version History

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Original

Introduced

See Also

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CLOSE, EXIT