Logical over flat files

V3R7M0 RPG IV

I have a S/36 type file, that is a duel format physical file.  This file has 
never
been converted with DDS since it is duel format, I've just been opening it and
using two files that contain DDS to read it in RPG IV

Now, I want to create a logical of this file for a different sort index.  Since 
this
file doesn't contain a record layout, I'm at a loss.

The record layout it does have is the K00001 and F00001 fields, the key and
everything else.

Any clues as to how I would go about creating a logical for this file for a 
different
sort index?  I want to be able to open this file by company/customer order, or 
by
customer/company order depending on user selection.

Regards,

Jim Langston


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