new: Added open-in-tmux.sh

README.md

@@ -1,4 +1,4 @@
-![Number of scripts](https://img.shields.io/badge/number_of_scripts-39-blue)
+![Number of scripts](https://img.shields.io/badge/number_of_scripts-40-blue)
 # Random Scripts
 This repository is for random scripts I wrote mostly for personal use.
 

open-in-tmux.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+# This script checks if any tmux panes are open in our current working directory.
+# If yes, it switches to that window given it's not busy i.e. only has the shell running.
+# If no, it creates a new window and switches to it.
+# I use it as a startup command in alacritty.
+
+target_path="$(pwd -P)"
+
+tmux list-panes -s -F '#{window_id} #{pane_id} #{pane_current_path} #{pane_current_command}' \
+| while IFS=' ' read -r window pane path cmd; do
+    [[ "$path" = "$target_path" && " fish bash zsh " =~ " $cmd " ]] \
+        && tmux select-pane -t "$pane" && tmux select-window -t "$window" && exit 0
+done || tmux new-window -c "$target_path"
+
+tmux new -As0
+