From: Tim Hunter <rmagick@...>
Date: 2009-05-09T04:50:57+09:00
Subject: Re: File object. Undefined methods

Olivier Moratin wrote:
> Hi
> 
> I'm doing the following in the console of a Rails app
> 
>>> file = File.open("#{RAILS_ROOT}/xml/feed.xml")
> => #<File:/WebApps/app/xml/feed.xml>
>>> f.dirname
> NoMethodError: undefined method `dirname' for
> #<File:/WebApps/app/xml/feed.xml>
> 
> I've tried other methods written in the doc of the File class to no
> avail.
> 
> What am I missing?
> 
> Thanks

Read the doc very carefully. dirname is a singleton method in File, not 
an instance method.

File.dirname("#{RAILS_ROOT}/xml/feed.xml")
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