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8.144 IS_IOSTAT_END — Test for end-of-file value

Description:
IS_IOSTAT_END tests whether an variable has the value of the I/O status “end of file”. The function is equivalent to comparing the variable with the IOSTAT_END parameter of the intrinsic module ISO_FORTRAN_ENV.
Standard:
Fortran 2003 and later
Class:
Elemental function
Syntax:
RESULT = IS_IOSTAT_END(I)
Arguments:

I Shall be of the type INTEGER.

Return value:
Returns a LOGICAL of the default kind, which .TRUE. if I has the value which indicates an end of file condition for IOSTAT= specifiers, and is .FALSE. otherwise.
Example:
          PROGRAM iostat
            IMPLICIT NONE
            INTEGER :: stat, i
            OPEN(88, FILE='test.dat')
            READ(88, *, IOSTAT=stat) i
            IF(IS_IOSTAT_END(stat)) STOP 'END OF FILE'
          END PROGRAM