Re: Sorting an array to sequence a sub-file

On 15-Jul-09, at 12:01 PM, midrange-l-request@xxxxxxxxxxxx wrote:

I have been asked to order a sub-file by a date, and plan to write to an array instead of the

subfile record until it fills, sort the array, and then load the subfile from this array.

1) Convert to RPG IV. Why leave it in RPG III? Any significant compatibility issues were resolved a long time ago and it is nuts to make updates to an RPG III program - the language has been obsolete for 12+ years.

2) Read this article http://www.ibmsystemsmag.com/ibmi/developer/8554p1.aspx

3) Once converted use either an Externally described DS or a DS defined with LikeRec of the subfile output record format. Add the DIM keyword to the DS to define it as an array.

4) Populate the subfile then add the name of the DS as the result field on the Write to the subfile.

5) To sort the subfile you have multiple options - you can use SORTA if you define the DS the right way - but qsort offers more flexibility.




Jon Paris

www.Partner400.com
www.SystemiDeveloper.com