Oh Wilbur, we will call you Frank.

fix_frank.rb

#!/usr/bin/env ruby -wKU
require 'fileutils'

def fix_frank(dir_name)
  Dir.new(dir_name).each do |file_name|
    file_path = File.join dir_name, file_name
    index_path = File.join file_path, 'index.txt'
    if file_name == 'data' and File.exist? index_path
      puts "  Checking for \"FRANK\" in #{index_path}"
      franks = 0
      input = File.new index_path, 'r'
      tmp = File.new 'swap_index.txt', 'w'

      input.each_line do |line|
        unless line.include? '"FRANK"'
          tmp << line
        else
          franks += 1
          tmp << line.gsub( '"FRANK"', '""FRANK""' )
        end
      end

      input.close
      tmp.close

      if franks != 0
        puts "    #{franks} \"FRANKS\" Found"
        FileUtils.mv index_path, "#{index_path}.frank_backup"
        FileUtils. mv 'swap_index.txt', "#{file_path}/index.txt"
      else
        puts '    No "FRANKS" Found'
      end
    elsif File.directory? file_path and file_name != '.' and file_name != '..'
      puts "Reading #{file_name}"
      fix_frank file_path
    end
  end
end

fix_frank '.'