>>>How can I get the same result as

COPY SDF TO Myfile.txt
>>>lcStr = Filetostr(Myfile.txt)

w/o writing to file and reading back.
>>
>>What exactly are you trying to do by getting the entire dbf to a string?
>
>It's actually cursor. I want to convert it into SDF and append to the end of another file.

Then check additive clause of COPY TO command.