VALNUM (Validate Numeric) Keyword for Display Files

Use this file-, record-, or field-level keyword to enhance the error checking performed against fields with data type numeric only. When specified on a numeric only field, this keyword causes an error message to be returned if the user attempts to embed a SPACE, PLUS SIGN or MINUS SIGN between numeric digits in the field or when the PLUS SIGN or MINUS SIGN precedes the numeric digits.

This keyword has no parameters.

The field containing the VALNUM keyword must be defined as an input-capable field with the data type Y.

Option indicators are not valid for this keyword.