Re: Dynamic Title

[Brian Kroth]

Asif Iqbal <address@hidden> 2009-06-02 17:47:
> On Tue, Jun 2, 2009 at 5:36 PM, Dan Mahoney, System Admin
> <address@hidden> wrote:
> > On Tue, 2 Jun 2009, Asif Iqbal wrote:
> >
> >> On Tue, Jun 2, 2009 at 5:07 PM, Dan Mahoney, System Admin
> >> <address@hidden> wrote:
> >>>
> >>> On Tue, 2 Jun 2009, Asif Iqbal wrote:
> >>>
> >>>> On Tue, Jun 2, 2009 at 4:44 PM, Dan Mahoney, System Admin
> >>>> <address@hidden> wrote:
> >>>>>
> >>>>> On Tue, 2 Jun 2009, Asif Iqbal wrote:
> >>>>>
> >>>>>> This is what I have done on the screen server to achieve dynamic
> >>>>>> title.
> >>>>>>
> >>>>>> in .bashrc :
> >>>>>>
> >>>>>> PROMPT_COMMAND='if [ $TERM = "screen" ]; then printf
> >>>>>> "\033k${HOSTNAME%%.*}\033\\" ; fi'
> >>>>>>
> >>>>>> in .ssh/config :
> >>>>>> # this won't work unless your screen server has openssh 5.1 or above
> >>>>>> host *
> >>>>>>  PermitLocalCommand   yes
> >>>>>>  LocalCommand /path/to/screen_ssh.sh %n
> >>>>>>
> >>>>>>
> >>>>>> in screen_ssh.sh :
> >>>>>> # got the idea from http://www.tenshu.net/screen_ssh/
> >>>>>
> >>>>> Why would you tie this to your ssh command at all?
> >>>>>
> >>>>> I have a postcmd in my shell like this (this is tcsh):
> >>>>>
> >>>>> alias postcmd   'printf "\033%s%s %s %s\033\\" "k" "\!#:0" "\!#:$"
> >>>>> "[$HOST]"'
> >>>>
> >>>> You need to create that alias on every hosts. I have 300 of them.
> >>>
> >>> Nope, just the one I ssh out from.  I ssh into about as many hosts as you
> >>> do, but only one or two "home" servers (where my keys live, etc).
> >>>
> >>> Better put, your shell only needs to be modified on machines you run
> >>> "screen" on.
> >>>
> >>
> >> with your setup when you ssh to a host it changes the title fine, but
> >> when exit from it
> >> the title does not change back.
> >
> > Yes, when I exit from it, it changes back because my prompt on my main
> > machine is set thusly:
> >
> > set prompt="%{\ektsch [$HOST]\e\\%}"\%
> >
> 
> Ok it is more than just postcmd. Let me know if you can make it work
> for bash users.
> 
> I dont use tcsh

This is basically what you're looking for:
http://www.twistedmatrix.com/users/glyph/preexec.bash.txt

I posted a small example of how to use it with screen (and other long
running commands) for window title changing in an earlier thread:

http://lists.gnu.org/archive/html/screen-users/2009-04/msg00043.html

There are ways around the LC_* "requirements" I posted earlier.

Brian