ajs@hpfcla.UUCP (05/23/84)
> Another note on this is that /bin/sh forks off a process to do > the for loop when directing its output to a pipe; ksh doesn't. > This feature, and builtins for echo and expr considerably speed > up shell script execution in ksh. Yes, and Bourne shell users beware: That "invisible fork" can lead to some real confusion, if you modify a shell variable within a meta-construct which is redirected. Don't expect the value to be correct after the end of the construct! Looking forward to ksh, Alan Silverstein