Dirty little csv to html table parser in ruby

gistfile1.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'csv'
require 'sinatra'

get '/' do
  csv = CSV.read("test.csv")
  html = "<table> \n"
  row_count = csv.count
  csv.each_with_index do |row, row_position|
    data_count = row.count
    row.each_with_index do |data, data_position |
      if row_position == 0
        html << "<thead><tr> \n" if data_position == 0
        html << "<td>#{data}</td> \n"
        html << "</tr></thead> \n" if data_position == data_count - 1
      else
        html << "<tbody> \n" if row_position == 1 && data_position == 0
        html << "<tr> \n" if data_position == 0
        html << "<td>#{data}</td> \n"
        html << "</tr> \n" if data_position == data_count - 1
        html << "</tbody> \n" if row_position == row_count - 1 && data_position == data_count - 1
      end
    end
  end
  html << "</table> \n"
  html
end