created AoC init script

aocinit.rb

@@ -0,0 +1,30 @@
+#!/bin/env ruby
+require 'optparse'
+require 'HTTParty'
+
+options = Hash.new
+OptionParser.new do |opts|
+    opts.banner = 'aocinit.rb --help'
+    opts.on("-y", "--year year", "AoC year") do |year| 
+        options[:year] = year
+    end
+    opts.on("-d", "--day day", "AoC day") do |day| 
+        options[:day] = day
+    end
+    opts.on("-c", "--cookie-file cookie", "File containing your AoC cookie") do |cookie|
+        options[:cookie] = cookie
+    end
+end.parse!
+
+url = "https://adventofcode.com/#{options[:year]}/day/#{options[:day]}/input"
+options[:day] = "0" + options[:day] if options[:day].to_i < 10
+newdir = "./day#{options[:day]}"
+cookie = File.read("./#{options[:cookie]}")
+@options = { headers: { 'Cookie' => "session=#{cookie}" }}
+input = HTTParty.get(url, @options)
+
+abort "Day already initiated." if Dir.exists?(newdir)
+Dir.mkdir(newdir)
+Dir.chdir(newdir)
+File.write('./input', input)
+File.write('./solution.rb', "#!/bin/env ruby")