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Subject: Re: setting cygwin terminal (mintty) title from a very remote system
From: Ross Boylan <ross AT biostat DOT ucsf DOT edu>
To: David Conrad <DavidConrad AT acm DOT org>
Cc: Andrey Repin <cygwin AT cygwin DOT com>
Date: Mon, 14 Apr 2014 17:20:28 -0700
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References: <53483EC3 DOT 6010707 AT biostat DOT ucsf DOT edu>		<20140411200040 DOT GA28630 AT tastycake DOT net>	 <CAEotdw=3DkXiJAcdLc5KZjdvUAqn_xYaVcB2RUmLq1tnwBP74w AT mail DOT gmail DOT com>
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On Mon, 2014-04-14 at 14:19 -0400, David Conrad wrote:
> On Fri, Apr 11, 2014 at 4:00 PM, Adam Dinwoodie wrote:
> > On Fri, Apr 11, 2014 at 12:13:07PM -0700, Ross Boylan wrote:
> >>
> >> echo -ne '\e]0;Title\a'
> >>
> >
> > [The] title will stay the same if something intercepts that sequence, and it
> > will probably appear to stay the same if something resets it immediately
> > (many Bash shell prompts do just that).
> >
> 
> The fact that something else might reset it *immediately after* you
> set it is really important. It can make it look like something you are
> trying doesn't work **when it actually does work**.

I agree, but I'm quite sure that's not my problem.  I only have the
problem inside emacs (usually inside screen, but it doesn't seem to
matter).  The title I'm seeing is from a different system, earlier in
the ssh chain.  I tried it (using ], not [) and it didn't work; instead
some characters appeared in the emacs window.  I also checked PS1 and
COMMAND_PROMPT; neither was generating any special characters.  Setting
COMMAND_PROMPT to the echo command simply puts the characters in front
of the command line.

Ross
> 
> I would suggest using a command like this to test setting it:
> 
> echo -ne "\e[0;This is a test\a"; sleep 5
> 
> That way, the title, if it's getting set at all, will remain set for a
> few seconds before it gets reset, so you can see it. That will allow
> you to tell the difference between a problem where the escape sequence
> is never reaching mintty because something is eating it, and one where
> the escape sequence is getting through just fine, but something, like
> the bash PS1 prompt, is immediately overwriting it.
> 
> Good luck.
> 
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