From: Scott Barron <linguist@...>
Date: 2006-10-23T05:45:37+09:00
Subject: Re: about file format

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On 10/22/06, Li Chen <chen_li3@yahoo.com> wrote:
>
>
> >   Directory of C:\Ruby
> >
> > 10/15/2006  18:21                34 OTI-4.001
> >                 1 File(s)             34 bytes
> >                 0 Dir(s)  19,644,063,744 bytes free
> >
> > C:\bonak\Ruby>irb
> > irb(main):001:0> File.file?('OTI-4.001')
> > => true
> > irb(main):002:0>
> >
> > Works here too .. so I am not sure why yours is not
> > working. Did you try again? I have managed to get irb
> > confused before and once I restarted things worked well.
> >
> > eb
>
> Hi EB,
>
> I figure out why it doesn't work: irb only looks for the file name in
> current directory. I try on both linux and xp.
> But the files I want to search are in a different drive under XP.
> Actually   this question comes from the following script1 and script2:
>
> ########### script1--It works perfect.
> file_number=0
> path="I:\\Common\\Gao\\Notebooks\\Flow\\OT1\\OTI-4"
>
> Dir.foreach(path)   do |file_name|
>
>       if file_name=~/(\w+|d+).(\d{3,})/
>           puts file_name
>           file_number+=1
>       end
> end
>
> puts
> puts 'Files',path
> puts 'File number',file_number
>
> ############Screen ouptut
> C:\Ruby\self>dir5.rb
> OTI-4.001
> ...
> OTI-4.025
> OTI-4.026
>
> Files
> I:\Common\Gao\Notebooks\Flow\OT1\OTI-4
> File number
> 26
>
> ####script2--Doesn't work
>
> file_number=0
> path="I:\\Common\\Gao\\Notebooks\\Flow\\OT1\\OTI-4"
>
> Dir.foreach(path)   do |file_name|
>
>         if File.file?(file_name)
>              puts file_name
>              puts File.size(file_name)
>              file_number+=1
>         end
> end
>
> puts
> puts 'Files',path
> puts 'File number',file_number
>
> ##screen output
>
> C:\Ruby\self>dir5.rb
>
> Files
> I:\Common\Gao\Notebooks\Flow\OT1\OTI-4
> File number
> 0
>
> But right now I just don't know how to make script 2 work.
>
> Li


As was said in another thread, you need to assemble the full path to the
file.

Dir.foreach(path) do |file_name|
  if File.file?(File.join(path, file_name))
    # ...
  end
end

-Scott

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