mechanize：Mechanize::Page#bases_with

everyday Ruby

以下のような HTML で

<html>
<head>
<title>base test</title>
<base href="http://127.0.0.1:8080/test00_base.html">
</head>
<body>

</body>
</html>
>> require 'mechanize'
=> true
>> agent = Mechanize.new
=> #<Mechanize:0xb74e1328 ...
>> page = agent.get('http://127.0.0.1:8080/test00_base.html')
=> #<Mechanize::Page
 {url #<URI::HTTP:0xb74dda70 URL:http://127.0.0.1:8080/test00_base.html>}
 {meta}
 {title "base test"}
 {iframes}
 {frames}
 {links}
 {forms}>

>> page.bases_with(:href => //).each {|base| puts "* #{base.href}"}
* http://127.0.0.1:8080/test00_base.html
=> [#<Mechanize::Page::Base "" "http://127.0.0.1:8080/test00_base.html">
]
>> page.base_with(:href => //).each {|base| puts "* #{base.href}"}
NoMethodError: undefined method `each' for #<Mechanize::Page::Base:0xb74d1310>
	from (irb):5
>> page.base_with(:href => //) {|base| puts "* #{base.href}"}
* http://127.0.0.1:8080/test00_base.html
=> #<Mechanize::Page::Base "" "http://127.0.0.1:8080/test00_base.html">