open in a block style:

require 'open-uri'

open('http://www.rubyinside.com/test.txt') do |f|
  puts f.readlines.join
end

1.	The open-uri Library
2.	Opening a URI
3.	Do a google search and parse the result html
4.	Get a file from a URL
5.	use open directly upon URI objects
6.	the shortest open-uri code possible
7.	use methods associated with the object it returns to find out particulars about the HTTP (or FTP) response itself.
8.	send extra header fields with an HTTP request by supplying an optional hash parameter to open
9.	Use openuri to open a web link

open in a block style: : open uri « Network « Ruby