>What if the builtin has more features? This is the common case for >ksh93 in Opensolaris.
It's still a bug. >Re performance in interactive shells: Did you ever used loops over >many files in interactive mode? This is a COMMON usage. Again, we're still talking about profile shells; and while it is perhaps possible to measure a difference between builtin-commands in a loop, I doubt that you can actually notice the difference. Casper