Get suggestions from Google's completion API like http://ubersuggest.org

google-suggestions.rb

# Copyright © 2014 Jan Ehrhardt
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
## Description
#
# This script does the same as http://ubersuggest.org.
#
## Usage
#
# Run this script with a search query as argument
#
# `ruby google-suggestions.rb queries.txt`
#
# You will get a list of suggestions from Google's completion API. You can
# simply write them to a file
#
# `ruby google-suggestions.rb queries.txt > suggestions.txt`

require 'open-uri'
require 'json'

querries_file = ARGV[0]
suggestion_extensions = [' ', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
                         'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u',
                         'v', 'w', 'x', 'y', 'z']

def google_complete(query)
  url = "http://suggestqueries.google.com/complete/search?output=firefox&hl=de&q=#{URI::encode(query)}"
  open(url).read
end

def print_suggestions(json)
  suggestions = JSON.parse(json)[1]
  suggestions.each { |elem| puts elem }
end

File.readlines(querries_file).each { |line|
  suggestion_extensions.collect { |extension|
    "#{line} #{extension}"
  }.each { |query|
    json = google_complete(query)
    print_suggestions(json)
  }
}