Fetch all pro players

collector.rb

@@ -0,0 +1,30 @@
+require 'bundler/inline'
+
+gemfile do
+  source 'https://rubygems.org'
+  gem 'nokogiri'
+end
+
+require 'open-uri'
+require 'json'
+
+File.open("./data/players.json", "w") do |f|
+  players = (1..10).map do |no|
+    doc = Nokogiri::HTML(URI.open("https://www.shogi.or.jp/player/pro/#{no}.html"))
+
+    name = doc.search(".nameTtl").search("span").search(".jp").text
+    break unless name
+
+    title = doc.search(".ico03").text
+    teacher = doc.search("td")[3].text # class, id では絞り込めない
+
+    {
+      no:,
+      name:,
+      title:,
+      teacher:,
+    }
+  end
+
+  f.write(JSON.pretty_generate({ players: players }))
+end