Switching between tmux session efficiently

In a nutshell, I’ve created ~/.local/bin/tmux-fzf-session and give it execution permissions (sudo chmod +x ~/.local/bin/tmux-fzf-session), with the following content:

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#!/usr/bin/env bash
# inspired by:
# https://stackoverflow.com/questions/51780445/how-can-i-see-a-preview-of-a-tmux-session-window-from-outside-of-tmux
# https://github.com/sainnhe/tmux-fzf/blob/master/scripts/.preview
selected=$(tmux list-sessions -F "#{session_name}" 2>/dev/null | fzf --exit-0 --preview='tmux capture-pane -ep -t {}')
tmux switch-client -t "$selected"

Then, In my tmux.conf, I’ve added the following to create the tmux shortcut:

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bind s display-popup -E -w 50% -h 50% "tmux-fzf-session"

tmux-fzf-session explained

First of all we need to list all ours tmux sessions which can be done with this command:

tmux list-sessions -F "#{session_name}" 2>/dev/null

Second, We pipe the output to fzf:

fzf --exit-0 --preview='tmux capture-pane -ep -t {}'

Third, the session preview is getting by:

tmux capture-pane -ep -t {}

Done!