httpのURL を、普通のファイルのように開ける
require 'open-uri' open("http://www.ruby-lang.org") {|f| f.each_line {|line| p line} }
結果
"<html>\n"
" <head>\n"
" <script type=\"text/javascript\">\n"
" var languages = {\n"
" \"bg\": \"bg\",\n"
" \"de\": \"de\",\n"
" \"es\": \"es\",\n"
" \"fr\": \"fr\",\n"
" \"id\": \"id\",\n"
" \"it\": \"it\",\n"
" \"ja\": \"ja\",\n"
" \"ko\": \"ko\",\n"
" \"pl\": \"pl\",\n"
" \"pt\": \"pt\",\n"
" \"tr\": \"tr\",\n"
" \"zh-CN\": \"zh_cn\",\n"
" \"zh-TW\": \"zh_tw\"\n"
" };\n"
"\n"
" var code = window.navigator.language || \"en\";\n"
" if (code.substr(0,2) !== \"zh\") { code = code.substr(0,2); }\n"
"\n"
" var language = languages[code];\n"
" if (!language) { language = \"en\"; }\n"
"\n"
" document.location = \"/\" + language;\n"
" </script>\n"
" <noscript>\n"
" <meta http-equiv=\"refresh\" content=\"0;/en/\" />\n"
" </noscript>\n"
" </head>\n"
"</html>\n"
