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#!/usr/bin/env ruby | |
require 'hpricot' | |
require 'open-uri' | |
require 'httparty' | |
require 'json' | |
$color_bold = "\e[1;37m" | |
$color_green = "\e[32m" | |
$color_red = "\e[31m" | |
$color_reset = "\e[00m" | |
def ask_google_web(symbol) | |
doc = Hpricot(open("https://www.google.com/finance?q=#{symbol}")) | |
price = (doc / "#price-panel .pr span").text | |
diff = (doc / "#price-panel .id-price-change .ch span[1]").text.to_f | |
percent = (doc / "#price-panel .id-price-change .ch span[2]").text | |
[price, diff, percent] | |
end | |
def ask_google(symbol) | |
open("http://www.google.com/finance/info?client=ig&q=#{symbol}") { |f| | |
data = JSON.parse(f.read.sub('//', ''))[0] | |
if data['el'] | |
return [data['el'], data['ec'].to_f, "(%.2f%%)" % data['ecp'].to_f, true] | |
else | |
return [data['l'], data['c'].to_f, "(%.2f%%)" % data['cp'].to_f] | |
end | |
} | |
end | |
def ask_yahoo(symbol) | |
open("http://download.finance.yahoo.com/d/quotes.csv?s=#{symbol}&f=l1c6p2") { |f| | |
price, diff, percent = f.read.split(',') | |
return [price, diff.sub('"', '').to_f, "(%.2f%%)" % percent.sub('"', '').to_f] | |
} | |
end | |
def ask_nasdaq(symbol) | |
body = {:msg => 'Last', :symbol => symbol, :qesymbol => symbol} | |
data = HTTParty.post('http://www.nasdaq.com/callbacks/NLSHandler2.ashx', :body => body).parsed_response['result'] | |
price = data['Price'] | |
diff = price - data['previousclose'] | |
market_closed = data['MarketStatus'] == 'C' | |
return [price.round(2), diff.round(2), "(%.2f%%)" % ((price/(price-diff)*100)-100), market_closed] | |
end | |
def print_ticker(symbol, provider=:google) | |
begin | |
price, diff, percent, market_closed = send("ask_#{provider}".to_sym, symbol) | |
rescue | |
out = "#{symbol.ljust(8)}" | |
out << "#{$color_bold}#{"-".rjust(7)}#{$color_reset}" | |
puts out | |
else | |
color = '' | |
if diff < 0 | |
color = $color_red | |
elsif diff > 0 | |
color = $color_green | |
end | |
out = "#{symbol.ljust(8)}" | |
out << "#{$color_bold}#{price.to_s.rjust(7)}#{$color_reset}" | |
out << "#{color}#{diff.to_s.rjust(10)}#{percent.rjust(12)}#{$color_reset}" | |
out << (market_closed ? '*'.rjust(2) : '') | |
puts out | |
end | |
end | |
# Usage: | |
print_ticker('AAPL', :google) | |
print_ticker('MSFT', :google_web) | |
print_ticker('AMZN', :nasdaq) | |
print_ticker('GOOG', :yahoo) | |
# Output: | |
# AAPL 439.24 0.74 (0.17%) | |
# MSFT 31.40 0.01 (0.02%) | |
# AMZN 307.11 3.71 (1.21%) | |
# GOOG 883.907 -3.793 (-0.43%) |
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