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9.278 UMASK — Set the file creation mask

Description:

Sets the file creation mask to MASK. If called as a function, it returns the old value. If called as a subroutine and argument OLD if it is supplied, it is set to the old value. See umask(2).

Standard:

GNU extension

Class:

Subroutine, function

Syntax:
CALL UMASK(MASK [, OLD])
OLD = UMASK(MASK)
Arguments:
MASKShall be a scalar of type INTEGER.
OLD(Optional) Shall be a scalar of type INTEGER.