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Just use the multi format logical and then (if the records
number is huge) use a combination of setll/read and then
setgt with the actual key and then loop..
--- Peter Colpaert <Peter.Colpaert@xxxxxxxxxxxx> wrote:
> 
> We have 3 physical files with information about cars, and
> all 3 files
> contain a frame number field (same length and attributes
> in all 3 files).
> A frame can only exist in one of these three files at any
> time.
> 
> What I need is one single view (logical) over these 3
> files, showing all
> possible frame numbers that exist (for a prompt program).
> 
> I would like to be able to run through this logical file
> so that all
> existing frame numbers are shown in order.


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