bookrank_batch.rb

   1 #!/usr/local/bin/ruby
   2 # -*- coding: utf-8 -*-
   3 require 'amazon/aws/search'
   4 include Amazon::AWS
   5
   6 workdir = File.expand_path("~/amazonrank")
   7 isbnfile = File.expand_path(workdir.dup << "/ISBN.txt")
   8
   9 open(isbnfile, "r") { |lines|
  10   while isbn = lines.gets
  11     isbn = isbn.chomp
  12     csvfile = File.expand_path(workdir.dup << "/" << isbn.dup <<  ".csv")
  13     il = ItemLookup.new( 'ASIN', { 'ItemId' => isbn } )
  14     request  = Search::Request.new
  15     time  = Time.now
  16     req = request.search il
  17     open(csvfile, "a") { |f|
  18       f.print isbn, ",", time.strftime("%Y/%m/%d %H:%M:%S"), ",", req.item_lookup_response.items.item.sales_rank, "\n"
  19     }
  20     sleep 0.5
  21   end
  22 }