Command line tools for google

gcalc

#!/usr/bin/env ruby
# gcalc <google calculator string> / 26aug2008 chneukirchen / public domain
require 'open-uri'
q = ARGV.join(" ").gsub(/./m) { "%%%02X" % $&[0] }
html = open("http://www.google.com/search?q=#{q}").read
puts (html[%r{<font size=\+1><b>(.*?)</b></h2>}, 1] || 'not a calculation').
gsub(%r{\240|<font size=-2> </font>}, "").gsub("×", "x").
gsub(%r{<sup>(.*?)</sup>}, '^\\1 ')

goog

#!/usr/bin/env ruby -s
# goog [-q] [num] <string> / 26aug2008 chneukirchen / public domain
require 'open-uri'
n = ARGV[0] =~ /^\d+$/ ? ARGV.shift : 5
q = ARGV.join(" ").gsub(/./m) { "%%%02X" % $&[0] }
open("http://www.google.com/search?ie=utf-8&oe=utf-8&q=#{q}&num=#{n}").read.
scan(%r{<h3 class=r><a href="(.*?)" class=l>(.*?)</a>}) { |url, desc|
  puts url
  puts "  " + desc[0..70].gsub(%r{</?em>}, '')  unless $q
}