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    <h2>Tmux pane PWD at the prompt</h2> <p>There are several ways that you can do this. I do it myself. The easiest and most customisable way is to set a global variable that tmux can access.</p> <p>First add this to your <code>.bashrc</code> or <code>.zshrc</code> file, to set the PWD variable after every prompt:</p> <pre><code># create a global per-pane variable that holds the pane's PWD export PS1=$PS1'$( [ -n $TMUX ] &amp;&amp; tmux setenv -g TMUX_PWD_$(tmux display -p "#D" | tr -d %) $PWD)' </code></pre> <p>Now, make a script that displays this variable such as <code>~/bin/display_tmux_pane_pwd.sh</code>:</p> <pre><code>#!/bin/bash tmux showenv -g TMUX_PWD_$(tmux display -p "#D" | tr -d %) | sed 's/^.*=//' </code></pre> <p>All that is left is to add this to the satis-bar in <code>.tmux.conf</code>:</p> <pre><code>set -g status-left '#(~/bin/display_tmux_pane_pwd.sh)' </code></pre> <p>It may take awhile to update after switching panes, so you can change that with this command. By default it updates every 15 seconds, this will make it 5 seconds. Change it as you like.</p> <pre><code>set -g status-interval 5 </code></pre> <hr> <h2>Tmux-pane PWD in other programs</h2> <p>Sometimes it is useful to open up a pane or window and immediately execute a program instead of booting up another shell (e.g. <code>tmux new-window vim</code>). This way, when you close that program you also close the window. Unfortunately, the way I describe above requires a prompt in order to broadcast the status of PWD. However, in many programs, you can work around this fairly easily. Here's an example of what is in my <code>.vimrc</code> file so that vim updates the PWD status whenever it changes buffers.</p> <pre><code>if exists("$TMUX") " Get the environment variable let tmux_pane_name_cmd = 'tmux display -p \#D' let tmux_pane_name = substitute(system(g:tmux_pane_name_cmd), "\n", "", "") let tmux_env_var = "TMUX_PWD_" . substitute(g:tmux_pane_name, "%", "", "") unlet tmux_pane_name tmux_pane_name_cmd function! BroadcastTmuxCwd() let filename = substitute(expand("%:p:h"), $HOME, "~", "") let output = system("tmux setenv -g ".g:tmux_env_var." ".l:filename) endfunction autocmd BufEnter * call BroadcastTmuxCwd() endif </code></pre>
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    1. COThis doesn’t seem to be working for me. The status bar doesn’t update until after I do something with the prompt. Is there an event that can be listened to when I switch focus to another pane in tmux?
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    2. COHmm… This might not have worked because there is an unmatched `"` in that line I placed in my `.zshrc`. Not exactly sure where I should place it though.
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    3. COOops, the PS1 was a little wonky and had excessive quotation marks. Try it this way, I cannot check it just yet unfortunately.
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