These positions name the fields of an input record that are used in an RPG/400 program. This name must follow the rules for symbolic names.
To refer to an entire array on the input specifications, enter the array name in positions 53 through 58. If an array name is entered in positions 53 through 58, control level (positions 59 and 60), matching fields (positions 61 and 62), and field indicators (positions 65 through 70) must be blank.
To refer to an element of an array, specify the array name, followed by a comma, followed by an index. The index is either a numeric field with zero decimal positions or the actual number of the array element to be used. The value of the index can vary from 1 to n, where n is the number of elements within the array.
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