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tmux popup windows for quickly launching scripts

DATE: 2021-07-10

AUTHOR: John L. Godlee

I was inspired by this video[1], which uses the pop-up window feature in tmux[2] v3.2+ to quickly launch scripts that don't deserve their own pane. I wrote a similar script to handle the pop-ups, which I keep in my $PATH:

1: https://www.youtube.com/watch?v=41JxYe70Xwo

2: https://github.com/tmux/tmux

#!/usr/bin/env sh

# List scripts 
read -d '' APPS << EOF
passwords	~/bin/tmux_popup/./fpass_popup
mount drives	~/bin/netmount
search papers	~/bin/papers
stopwatch	~/bin/stopwatch
internet speed test	~/bin/speed
emojis	~/bin/tmux_popup/./emoji_popup
calculator	~/bin/tmux_popup/./calc_popup
EOF

SELECTED="$(echo "$APPS" | fzf -d "	" --with-nth 1 | sed "s/.*\t//g")"

eval "${SELECTED}"

The scripts are listed by their name, which appears in the fzf pop-up, and their path, separated by a tab.

Example of tmux popup window

The scripts currently available in the popup:

passwords - Search pass password store using fzf and copy the selected password to the clipboard
mount drives - Search mountable drives using fzf and mount the selected drive
search papers - Search through academic article pdfs using fzf and pdftotext, then open the selected pdf
stopwatch - Run a stopwatch
internet speed test - Run an upload/download speed test
emojis - Search through emojis using fzf and copy the selected emoji to the clipboard
calculator - open an R console with --no-save and --quiet flags for performing simple calculations

The script is launched by hitting <prefix>-Tab in tmux, using this line in my .tmux.conf:

bind-key Tab capture-pane \; save-buffer /tmp/tmux-buffer \; delete-buffer \; display-popup -w 50% -h 50% -E "/path/to/fzf-speed"