diff --git a/ex12.rb b/ex12.rb
new file mode 100644
index 0000000..1fc78cc
--- /dev/null
+++ b/ex12.rb
@@ -0,0 +1,10 @@
+require 'open-uri'
+
+open("http://www.ruby-lang.org/en") do |f|
+  f.each_line {|line| p line}
+  puts f.base_uri         # <URI::HTTP:0x40e6ef2 URL:http://www.ruby-lang.org/en/>
+  puts f.content_type     # "text/html"
+  puts f.charset          # "iso-8859-1"
+  puts f.content_encoding # []
+  puts f.last_modified    # Thu Dec 05 02:45:02 UTC 2002
+end