Have you tried

Set Safety off

>I can easily create a new table with
>
>COPY STRUCTURE TO newfile DATABASE mydbc
>
>However if that file exists then I get an error
>
>Normally I do this at the end of a program:
>OPEN DATABASE mydbc
>REMOVE TABLE newfile DELETE
>
>
>However if for any reason the file is not deleted in advance, I get the error.
>
>How can I copy structure to the new one and OVERWRITE an existing one if it is there.