I am getting compile error in the following program when it is compiled on Mainframe express using the compiler directive COBOL for OS/390
OPEN INPUT INPUTFL.
MOVE 'N' TO EOF-INPUT-FILE.
PERFORM UNTIL EOF-INPUT
READ INPUTFL AT END
SET EOF-INPUT TO TRUE
IF NOT EOF-INPUT
DISPLAY FILE-SIZE
END-IF
END-PERFORM
STOP RUN.
Can someone please let me know what could be the issue?
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