>>Besides, I didn't see a problem in the code. As far, as I understand, there were no errors, but the code didn't remove double quotes from the file...
>
>Hmmmm, looks fine to me. Dunno what the problem would be.
>
>>Should I revert the code back to the original cursor idea?
>
>As far as effeicent goes, I'd bet that the cursor idea is faster anyways, so yes. You could easily test it out.

Yes, cursor idea turns to be a little bit faster. Well, three lines of code comparing with several not always the best way to achieve the result. This is a lesson for me to the future...