9.102. FLUSH

9.102 FLUSH — Flush I/O unit(s)

Description:

Flushes Fortran unit(s) currently open for output. Without the optional argument, all units are flushed, otherwise just the unit specified.

Standard:

GNU extension

Class:

Subroutine

Syntax:

CALL FLUSH(UNIT)

Arguments:

UNIT	(Optional) The type shall be INTEGER.

Note:

Beginning with the Fortran 2003 standard, there is a FLUSH statement that should be preferred over the FLUSH intrinsic.

The FLUSH intrinsic and the Fortran 2003 FLUSH statement have identical effect: they flush the runtime library's I/O buffer so that the data becomes visible to other processes. This does not guarantee that the data is committed

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