Save and format the current Pianobar song for display in tmux.

save-current-song.rb

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

event = ARGV[0]
if event == 'songstart'
  d = Hash.new
  STDIN.each_line { |line| d.store(*line.chomp.split('=', 2)) }

  File.open('/path/to/home/.config/pianobar/current-song.txt', 'w') do |f|
    f.write("#[bg=colour39,fg=colour8]♫  #{d['title']} - #{d['artist']} @ #{d['stationName']} #[fg=default,bg=default]")
  end
end