I don't use READC.  Ever.  Not with today's machine speeds.  I use a loop and compare current v. original values with an every-line read.  One unexpected consequence is that only truly changed fields get processed ( in the infrequent scenario where the user changes it then changes it back).

Also, I rarely update SFL records; I do a subfile refill at every opportunity.  My reasoning for this is that I want to get as far away as I can from crammed screens, infrequent refreshes, and the concept of screen-at-a-time processing.  I want to get as close as I can to modern practices as 5250 will allow.

On 1/1/2020 4:15 PM, Patrik Schindler wrote:
But I don't understand about your second sentence. Do I guess right that you're talking about a READC for the SFL? And UPDATE changed records in the SFL?

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