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comp.lang.ruby

File object. Undefined methods

Olivier Moratin

5/8/2009 6:50:00 PM

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
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1 Answer

Tim Hunter

5/8/2009 7:51:00 PM

0

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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