Untitled

require 'erb'

headers = %w[blerg blarg]
rows = [%w[hi ho], %w[hi hum]]
title = 'Table'

template = ERB.new <<~END, nil, '-'
<!DOCTYPE html>
<html lang="en">
  <head>
    <title><%= title %></title>
    <meta charset="UTF-8">
  </head>
  <body>
    <table>
      <tr>
      <%- headers.each do |header| -%>
        <th><%= header %></th>
      <%- end -%>
      </tr>
    <%- rows.each do |row| -%>
      <tr>
      <%- row.each do |column| -%>
        <td><%= column %></td>
      <%- end -%>
      </tr>
    <%- end -%>
    </table>
  </body>
</html>
END

puts template.result binding
# <!DOCTYPE html>
# <html lang="en">
#   <head>
#     <title>Table</title>
#     <meta charset="UTF-8">
#   </head>
#   <body>
#     <table>
#       <tr>
#         <th>blerg</th>
#         <th>blarg</th>
#       </tr>
#       <tr>
#         <td>hi</td>
#         <td>ho</td>
#       </tr>
#       <tr>
#         <td>hi</td>
#         <td>hum</td>
#       </tr>
#     </table>
#   </body>
# </html>