irb(main):005:0> require 'parseexcel'
Errno::EBADF: Bad file descriptor
	from c:/ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.2/lib/parseexcel/format.rb:75:in `write'
	from c:/ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.2/lib/parseexcel/format.rb:75:in `warn'
	from c:/ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.2/lib/parseexcel/format.rb:75
	from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
	from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
	from c:/ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.2/lib/parseexcel/parser.rb:28
	from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
	from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
	from c:/ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.2/lib/parseexcel/parseexcel.rb:5
	from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
	from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
	from c:/ruby/lib/ruby/gems/1.8/gems/parseexcel-0.5.2/lib/parseexcel.rb:4
	from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
	from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
	from (irb):5
	from :0
irb(main):006:0>