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  2. COBOL400-L
  3. June 2003

RE: Testing for valid numeric in an alpha field

~~~IF A                    = X
~~~     IF B                       = Y
~~~          IF C          = Z
~~~        DO SOMETHING 
~~~         END-IF
~~~     END-IF
~~~END-IF.

IF (A='X') AND (B='Y') AND (C='Z')
    PERFORM 220-ABC_XYZ THRU 220-EXIT.

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