>>>>* This does not work, no error gets shown, but the replace command
>>>>* does not put anything in the field
>>>>REPLACE prceng.prcpqtyby2t WITH THIS.LIST(THIS.LISTINDEX,1)
>>>>
>>>>* This works
>>>>SELECT prceng
>>>>REPLACE prcpqtyby2t WITH THIS.LIST(THIS.LISTINDEX,1)
>>>>
>>>>Is this a bug, feature, or my misusing a replace on a table that is not selected?
>>>
>>>Add the IN prceng to the end. VFP has a peculiar behavior that if you are sitting at the end of the file in your current area and you attempt to replace in another work area, the replace will fail.
>>>
>>>HTH
>>
>>Is this a feature of a bug that has not been caught yet?
>
>In the hacker's guide, there was an explanation that I don't recall. I believe its a feature. :)

I have the Hackers guide and I looked it up and you get the award for best memory in the category of big books. Yes they do explain it as a feature not a bug. So I guess the best thing to remember is to select the table before the replace or use the IN clause. Thanks for your help and all others.