On 22-Nov-06, at 6:19 PM, Li Chen wrote: > >> So the OP's technique, if not the prettiest, is actually by far the >> fastest, and is correct when used with nested arrays. Some of the >> other >> solutions (that use flatten) are incorrect when used with nested >> arrays. > > What is meaning for OP here? Original Poster -- Mike Stok <mike / stok.ca> http://www.stok.ca/~mike/ The "`Stok' disclaimers" apply.