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Dynamic Offset and Length Access in Release 4.6A

Dynamic offset/length specifications allow you to access a specific position within a field or structure using values that are only known at runtime. This access type is available in Release 4.6A for all statements relating to fields.

Other versions: 7.31 | 7.40 | 7.54

Example

MOVE f+off1(len1) to g+off2(len2).

Starting with offset off2 in length len2, the field g is assigned the contents of field f starting with offset off1 in length len2. If the two field lengths are not identical, the remaining positions are truncated or filled with initial values. The fields f and g must have the type X, C, N, D, or T. Structures are also allowed.

Note

Under Unicode, offset/length access only makes sense for fields of purely character-type fields and areas (C, N, X, or string), or purely byte-type (X, xstring) fields and areas.