On Mon, 29 Sep 2003, Gary King wrote:

> I don't know if this is more efficient in general, but (intern (format 
> nil "~A~A~A" 'a 'b 'c)) is another way to achieve the same end and it 
> is slightly faster and conses about half as much in MCL.

Thanks! intern is much faster then read-from-string. But format is slower 
then (concatenate 'string (symbol-name...

Best Regards.

Fabrizio.