wechat-emotions-spider.rb

require 'json'
require "open-uri"

puts "read file from github"
file = open('https://raw.githubusercontent.com/spacelan/wechat-emoticon/master/emoticons.json').read
emoticons = JSON.parse(file)
i=0
puts "downloading start"
emoticons.each do |emoticon|
  open(emoticon["url"]) { |f|
  	File.open("image-#{i+=1}.gif","wb") do |file|
  		file.puts f.read
  		puts "downloading image#{i}......."
#   		sleep(0.5) # 减慢速度免得被ban ip，可以注释掉
  	end
}
end

puts "downloaded"