tmux tabs with name of file open in vim

Question

I\'m new to tmux and am trying to figure out how to edit the configuration so that windows with vim open show up in the taskbar not as #:vim but as whatever the

Answer 1

Thanks for great input guys it saves me a lot of typing :-)

I combined the two previous answers into one, that I like.

autocmd BufEnter * call system("tmux rename-window " . expand("%:t"))
autocmd VimLeave * call system("tmux rename-window bash")
autocmd BufEnter * let &titlestring = ' ' . expand("%:t")                                                                 
set title

The first and sedond line are for tmux and the third and 4th are for normal terminal use. You don't have to restart tmux since it is vim that updates tmux explicitly.