event.rb

#!/usr/bin/ruby
#event-command script based on this post: http://francojc.wordpress.com/2011/12/03/pianobar-on-mac-osx/
require 'net/telnet'

trigger = ARGV.shift
# This is the start up settings for my Yamaha receiver: 
if trigger == 'userlogin'
	webserver = Net::Telnet::new('Host' => '10.0.1.9', 'Port' => 50000, 'Wait-time' => 0.1, 'Prompt' => /.*/, 'Telnet-mode' => false)
	input = "@MAIN:INP=HDMI3"
	power = "@MAIN:PWR=On"
	vol = "@MAIN:VOL=-45.5"
	webserver.cmd(power)
	sleep 3
	webserver.cmd(input)

	webserver.cmd(vol)
end

if trigger == 'songstart'
	songinfo = {}
	STDIN.each_line { |line| songinfo.store(*line.chomp.split('=',2))}
	`rm ~/Ruby/sinPan/public/art.jpg 2> /dev/null`
	`wget -q --directory-prefix=$HOME/Ruby/sinPan/public/ "#{songinfo['coverArt']}"`
	img=`ls $HOME/Ruby/sinPan/public/`
	`mv $HOME/Ruby/sinPan/public/*.jpg $HOME/Ruby/sinPan/public/art.jpg`
	title=songinfo['title']
	artist=songinfo['artist']
	`echo "<link href="txtstyle.css" rel="stylesheet" type="text/css" />" > $HOME/Ruby/sinPan/public/song.html`
	`echo "#{title} by #{artist}" >> $HOME/Ruby/sinPan/public/song.html`
	@songInfo="#{songinfo['title']}\nby #{songinfo['artist']}"
end