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  2. RPG400-L
  3. April 2010

Re: Redefining a DS

On 4/8/2010 11:40 PM, Dennis Lovelady wrote:

But here's my feeble attempt anyway. I had to assume certain attributes
about the array, but you get the jist. In case you don't, the key below is
that a 9-byte packed number takes up 5 characters. So I've defined
elem2Thru10 as a 9*(elem_len) byte array starting at position (elem_len)+1.

D array1DS DS
D myNumbers 9P 2 Dim(10)
D elem2Thru10 45 Overlay(array1DS: 6)

/Free

// Move 9 to 10, 8 to 9, 7 to 8, et cetera
elem2Thru10 = array1DS ;


You can avoid defining the extra subfield by using %SUBST on the data structure.

%subst(array1DS : %size(myNumbers) + 1) = array1DS;

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