GitBucket
#!/usr/bin/env ruby
require 'cgi'
cgi = CGI.new
name = cgi["onamae"]
print(<<EOF)
Content-type: text/html; charset=UTF-8
<!DOCTYPE html>
<html lang="ja">
<head><title>Hello!</title>
<meta charset="utf-8">
<style>
body {background: #efe;}
</style>
<body>
<h1>こんにちは</h1>
<p>#{name}さんこんにちは</p> <!-- #のあと {変数} で値が取り出せる -->
<form action="index.rb" method="POST">
<p>おなまえ<input name="onamae" type="text">
</p>
<input type="submit"><input type="reset">
</form>
EOF