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Re: Re: Re: Persistence of a window's title?

From: Steve Ross
Subject: Re: Re: Re: Persistence of a window's title?
Date: Tue, 19 May 2020 16:06:56 -0500
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0


Thanks, thanks, thanks!

You wrote:

I googled your prompt command, it is probably your system default.

My "/etc/bashrc" looks to be exactly the same one as in the book that you referenced.  That explains the particular content of PROMPT_COMMAND.

You wrote: is the culprit and recommends "unset PROMPT_COMMAND" ...

I stumbled upon unsetting PROMPT_COMMAND when I looked at another system where the window titles persist... and I noticed that that system does not have PROMPT_COMMAND set.  I confirmed that unsetting that shell variable on my current system does the trick.

(I've referred to the manual page for "screen" many times, but somehow I missed the section that explains the "title-string escape-sequence" and the "title-escape-sequence".)

Thanks again,

-- Steve Ross

On 5/19/2020 3:15 PM, Neal Fultz wrote:
I googled your prompt command, it is probably your system default. This book lists it as a default in /etc/bashrc for fedora, for example:

This person says that it is the culprit and recommends "unset PROMPT_COMMAND", and there's a comment to also check $PS1.



On Tue, May 19, 2020 at 12:07 PM Steve Ross <address@hidden> wrote:


Thank you very much for your suggestions.  I looked at the links but I am still puzzled (although I know next to nothing about Xterm or "termcapinfo".)


    $ echo $PROMPT_COMMAND
    printf "\033k%s@%s:%s\033\\" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/\~}"

I don't think that does any Xterm title resetting.

One other line in my "~/.screenrc" file that may be relevant is:

    term screen-256color

Any other pointers?

-- Steve Ross

On 5/18/2020 4:37 PM, Neal Fultz wrote:
I would recommend checking your $PROMPT_COMMAND - some shell configurations reset the Xterm title, and screen can pick that up as a window title or pass it through depending on your environment.

On Mon, May 18, 2020 at 2:33 PM Steve Ross <address@hidden> wrote:

Is a screen-window's title supposed to persist?

I have created two windows in one "screen" session.  I have titled them both by typing "CONTROL-a" followed by a colon followed by the word "title" followed by my title, one for each window.

I have the titles permanently displayed at the bottom of the window by two lines in my "~/.screenrc" file:

    hardstatus alwayslastline
    hardstatus string "%w"

I don't know if it makes any difference, but I also have

    altscreen on

The problem is that the screen-window titles do not persist.  After I enter a command like "ls", the title changes to something like


where the directory name is the first first three characters of the name of the current directory in my home directory.

Is the lack of persistence working as designed, a bug, or am I missing something?

My version/release of "screen" on Fedora is 4.6.2-8.fc30.

Thanks for any help,

-- Steve Ross

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