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9.148 IS_IOSTAT_EOR — Test for end-of-record value

Description:
IS_IOSTAT_EOR tests whether an variable has the value of the I/O status “end of record”. The function is equivalent to comparing the variable with the IOSTAT_EOR parameter of the intrinsic module ISO_FORTRAN_ENV.
Standard:
Fortran 2003 and later
Class:
Elemental function
Syntax:
RESULT = IS_IOSTAT_EOR(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(50)
            OPEN(88, FILE='test.dat', FORM='UNFORMATTED')
            READ(88, IOSTAT=stat) i
            IF(IS_IOSTAT_EOR(stat)) STOP 'END OF RECORD'
          END PROGRAM