Andy Koppe <andy.koppe <at> gmail.com> writes: > > On 2 December 2010 20:28, Heath Kehoe wrote: > >> FWIW, I can't reproduce this, even if I kill the tail or less with > >> SIGKILL, thus giving them no chance to do any cleanup. (I assume you > >> use 'less -K' to allow it to be ctrl-c'ed?) > >> > >> Which shell do people who've seen the problem use? Is it an intermittent issue? > > > > If you SIGKILL a 'less' while it has the tty set for raw/noecho then the > > tty will stay in that mode. > > Wel, yes, that was the point of trying that. The terminal settings > didn't get corrupted that way though, which suggests that it isn't > 'less' that messes things up. > > > Also, the OP said the problem was happening on pipelines like 'tail | grep'. > > Neither tail nor grep muck with tty settings (that I know of) > > Yep, a look at their sources confirms that. > > > so if the tty is ending up with echo disabled, > > it's got to be the shell leaving it that way. > > But then how did it get disabled in the first place? > > > So again, we'll need to know which shell this is happening with > > and a way to reliably repro the issue to have any hope of fixing it. > > Agreed. Also, for anyone who sees the issue again, blindly typing just > 'stty' (without the 'sane') and posting the output here might provide > a clue. > > Andy > >
Fresh shell: speed 38400 baud; line = 0; start = <undef>; stop = <undef>; -imaxbel -echoe -echok -echoctl -echoke After ctrl+C during a grep which is redirecting output to a file: $ speed 38400 baud; line = 0; start = <undef>; stop = <undef>; lnext = <undef>; min = 1; time = 0; -icrnl -imaxbel -icanon -echo -echoe -echok -echoctl -echoke After "stty sane" speed 38400 baud; line = 0; In terms of what I'm grepping, it's text file which has lots of <SOH> characters in it (character 0x01). Command looks like this: grep "35=A" bigfile.log > output.txt TJ -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
