Select and change all workspaces to specific monitor

set_to_monitor.sh

#!/bin/bash
# Script to change all the workspaces to the selected monitor
#
# Requirements:
# [Rofi](https://github.com/davatorium/rofi)
# [jq](https://jqlang.github.io/jq/)

display=$(echo -e "$(xrandr --listmonitors | awk 'NR > 1 {print $NF}')" | rofi -theme Pop-Dark -dmenu -multi-select )

if [ -z "$display" ]; then
	exit 0
fi

workspaces=$(i3-msg -t get_workspaces | jq '.[].num' | sort )

for workspace in $workspaces 
do
	i3-msg workspace $workspace
	i3-msg move workspace to output $display
done

# Set the focus to the workspace 1
i3-msg workspace 1