Window name := first letters of dir basename

[Niklas]

How do I combine two commands two formatting commands?

I want to set the name of a window to the first 3 letters of my current directory.

Example: /some/dir/project

Goal: "proj"

In tmux I can realize this with:

set-option -g automatic-rename on

set-option -g automatic-rename-format 'string'

Where I can set string to either:

- #{=3:pane_current_path}  -> first five letters of path -> "/so"

- #{b:pane_current_path} -> current dir -> "project"

However, if I attempt to combine the two I just get an empty string. Did anyone else get this to work?

Cheers,

Niklas

[Nicholas Marriott]

#{b;=3:pane_current_path} if you have 2.9 or later.

#{=3:#{b:pane_current_path}} will also work in some later versions.

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[Niklas]

Thank you, the first option worked like a charm :-)