#!/usr/bin/ruby
for list in Dir['*.rrd']
    rrd_out = `rrdtool fetch ./switch01_traffic.rrd AVERAGE`
    rrd_fixed = rrd_out.gsub(':','')
    hostname = list.gsub('.rrd','')
    rrd_fixed.each do |line|
        puts "#{hostname},#{line.gsub(' ', ',')}"
    end
end