Install Gemsets in Dash.app for all ruby gems in your bundle (without cooking your system resources)

gems_to_dash.rb

#!/usr/bin/env ruby
require 'etc'

dependencies = `bundle show | grep '*' | awk '{print $2, $3}' | sed -e 's/(//' -e 's/)//'`.split("\n")

dependencies.each.with_index(1) do |dependency, i|
  (gem_name, version) = dependency.split
  next if /rails-assets/.match?(gem_name)

  puts "Installing docs for #{gem_name} #{version} "

  command = "open -g 'dash-install://repo_name=Ruby%20Docsets&entry_name=#{gem_name}&version=#{version}'"
  system(command)
  sleep 1

  while `pgrep rdocset | wc -l`.to_i >= Etc.nprocessors
    sleep 1
  end
end