Fix malformed FXG files

fix_fxg.rb

#!/usr/bin/ruby

if ARGV.length == 0
  puts "Usage: #{__FILE__} <name of FXG to de-fubar>"
  exit 1
end

filename = ARGV[0]

out = File.open("#{filename}.fixed", 'w')

File.open(filename, 'r') do |file|
  last_line = nil
  file.each_line do |line|
    if line.strip =~ /^</
      out << "#{last_line}\n" if !last_line.nil?
      last_line = line.chomp
    else
      last_line += line.chomp
    end    
  end
  out << "#{last_line}\n" if !last_line.nil?
end

out.close