I do something similar, I use the following in my screenrc to set the title
to current dir:

 setenv PROMPT_COMMAND 'echo -ne "\033_`pwd`\033\\"'

Then you can use %t in the status bar or wherever.

On Wed, Mar 11, 2015 at 2:04 PM, Shigehiko SASAKI <ssas...@dekaino.net>
wrote:

> Hi Mario
>
> you can output escape sequence string to virtual terminal,
> so as to display any messages you like in hardstatus line.
>
> bash has some convenient features PROMPT_COMMAND or PS1
> to execute any commands before displaying shell prompt message.
>
> for example to display $(envname) in hardstatus line
> [[.bashrc]]
> # send message to screen hardstatus %h
> if [[ "$TERM" =~ "screen" ]]; then
>   PROMPT_COMMAND='echo -ne "\033k\033\0134\033k$(envname)\033\\"'
> endif
>
> // Shige
>
> _______________________________________________
> screen-users mailing list
> screen-users@gnu.org
> https://lists.gnu.org/mailman/listinfo/screen-users
>
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