From 8079694bd5ab49d1a75247185ff2f6cea9f370c7 Mon Sep 17 00:00:00 2001
From: Nat Lasseter <user@4574.co.uk>
Date: Sun, 4 Dec 2022 16:23:27 +0000
Subject: newday

---
 .gitignore     |  2 ++
 README.textile |  6 ++++++
 newday         | 40 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 .gitignore
 create mode 100755 newday

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f80fbab
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+sessionToken
+*.swp
diff --git a/README.textile b/README.textile
index 6663fbc..4ab3acf 100644
--- a/README.textile
+++ b/README.textile
@@ -1,5 +1,11 @@
 h1. Advent of Code 2022
 
+h2. newday
+
+p. Put your session cookie in @sessionToken@.
+
+p. Run @./newday@ to set up a new day.
+
 h2. Running
 
 bc. $ cd dayXX
diff --git a/newday b/newday
new file mode 100755
index 0000000..7a3258b
--- /dev/null
+++ b/newday
@@ -0,0 +1,40 @@
+#!/usr/bin/env ruby
+
+require 'open-uri'
+require 'nokogiri'
+
+sessionToken = File.read("sessionToken").strip
+
+now = Time.now
+year = now.year
+day = now.day
+
+print "Set up year #{year} day #{day} [/y.*/i]? "
+if gets.strip.downcase[0] != ?y
+  print "Year: "
+  year = gets.to_i
+  print "Day: "
+  day = gets.to_i
+end
+
+if File.directory?("day%02d" % day)
+  $stderr.puts "Day #{day} already set up"
+  exit 1
+end
+
+baseUrl = "https://adventofcode.com/#{year}/day/#{day}"
+
+dayPage = Nokogiri::HTML(URI.open(baseUrl, "Cookie" => "session=#{sessionToken}"))
+
+testData = dayPage.css('body > main > article.day-desc > pre > code')[0].content
+inputData = URI.open("#{baseUrl}/input", "Cookie" => "session=#{sessionToken}").read
+
+baseDir = "day%02d" % day
+Dir.mkdir(baseDir)
+
+File.open(File.join(baseDir, "test"), ?w) do |f|
+  f.print(testData)
+end
+File.open(File.join(baseDir, "input"), ?w) do |f|
+  f.print(inputData)
+end
-- 
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