Read my cable modem's status page, and store as JSON into a txt file

gistfile1.rb

require 'nokogiri'
require 'json'
require 'time'
require 'timeout'

def parse
	doc = Nokogiri::HTML(`curl -s http://admin:password@192.168.100.1/cgi-bin/ConnectionCgi`)
	error_log = Nokogiri::HTML(`curl -s http://admin:password@192.168.100.1/cgi-bin/EventLogCgi`)

	tables = doc.css('td table')
	errors = error_log.css('td table tr').size - 1
	date = doc.css('font')

	data = {
		'T' => Time.parse(date.children[1].text).to_i,
		'e' => errors,
		'd' => [],
		'u' => []
	}

	tables[1..4].each do |table|
		tds = table.css('td')
		data['d'] << {
			'p' => tds[12].text.split(' ').first,
			'r' => tds[14].text.split(' ').first,
			'c' => tds[16].text,
			'u' => tds[18].text
		}
	end

	tables[5..8].each do |table|
		tds = table.css('td')
		data['u'] << {
			'p' => tds[12].text.split(' ').first
		}
	end

	data.to_json
end

#

loop do

	out = ''
	begin
		Timeout.timeout(2) { out = parse() }	
	rescue 
		out = {
			'E' => "timeout",
			'T' => Time.new.to_i
		}.to_json
	end

	file = Time.now.to_date.strftime('%Y%m%d')
	File.open("/Users/matt/cable_log/#{file}.txt", 'a') { |f| f.puts(out) }

	puts "Wrote #{out.size} bytes"
	sleep(10)
end