dfをツイート

df.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'tw'
require 'json'

data = {}
data['type'] = 'df'
data['time'] = Time.now

percent = 0
s = `/bin/df -h`
s.each { |line|
  a = line.split
  if a[0] == '/dev/sda2' then
    a[4] =~ /^(.*)%/
    percent = $1.to_i
  end
}
data['percent'] = percent

client = Tw::Client.new
client.auth 'pitecancom'
client.tweet data.to_json