script to capture current i3 workspace

config

bindsym $mod+Shift+S exec /usr/local/bin/screenshot

screenshot

#!/usr/bin/env ruby
# encoding: utf-8

require 'json'
require 'pathname'

WORKSPACES = JSON.load(`i3-msg -t get_workspaces`)
STORAGE_LOCATION = Pathname(ENV['HOME'] + '/screenshots')

WORKSPACES.each do |workspace|
  next unless workspace['visible']

  image_path = STORAGE_LOCATION + "#{workspace['num']}.#{rand(0-9999)}.png"

  %x{ i3-msg workspace #{workspace['name']} }
  sleep 1
  %x{ import -window root #{image_path} }
end