On Tue, Jan 7, 2014 at 8:23 AM, Theo de Raadt <[email protected]> wrote: > What you need to instead is wrap all this in a way which keeps the > tty open > > ( > stty 9600 sane parenb -parodd crtscts cs7 igncr > do your IO loop > ) </dev/ttyU0 0>&1 0>&2 > > Something like that.
I think the desired redirections on the subshell-close would make that
last line:
) <>/dev/ttyU0 >&0
("open /dev/ttyU0 read-write as stdin, and then dup that to stdout")
Philip Guenther
