From: "M. Eteum" <meteum@...>
Date: 2005-06-03T01:35:23+09:00
Subject: Re: Document identification

Ilmari Heikkinen wrote:
> ke, 2005-06-01 kello 23:33, Austin Ziegler kirjoitti:
> 
>>On 6/1/05, Ilmari Heikkinen <kig@misfiring.net> wrote:
>>
>>>ke, 2005-06-01 kello 19:00, M. Eteum kirjoitti:
>>>
>>>>Dear Ruby Guru:
>>>>      Is there a way to identify any documents from its header? I have a
>>>>bunch of document collected over the year from multi platform system,
>>>>Mac, Windows, and various unix/linux variant where some of the document
>>>>does not have file extension. Are there a list that tells us what header
>>>>should we expect for certain documents e.g. txt, rtf, pdf, jpg, mpg,
>>>>word, excel, visio, etc ...
>>>>
>>>>Thanks
>>
>>Most of this is covered by MIME::Types on RubyForge. However, the OP
>>indicated that the problem was related to NOT having proper filename
>>extensions. The OP wants to look for magic numbers and strings.
>>
> 
> 
> Shared-mime-info does this aswell. Though it may fare worse than file in
> some cases.
> 
> kig@bauhaus:~$ mv fire.avi fire
> kig@bauhaus:~$ irb
> irb(main):001:0> require 'mime_info'
> => true
> irb(main):002:0> MimeInfo.get('fire')
> => Mimetype['video/x-msvideo']
> 
> 
> 
> 
Thanks, but where do you get the mime_info.rb? I'm running "ruby 1.8.2 
(2004-12-25) [i386-mswin32]" and it seems it does not have the necessary 
files.

Thanks