From: Scott Barron <linguist@...>
Date: 2006-10-22T08:14:39+09:00
Subject: Re: What is wrong with my code

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On 10/21/06, Li Chen <chen_li3@yahoo.com> wrote:
>
> Hi folks,
>
> I write two srcipts to check  files in a given directory. Version 1 uses
> regular expression  and works but I cann't find the size for each file.
> Version 2 uses Ruby built-in File.file? method but it doesn't work at
> all. I wonder what is going on with my scripts?
>
> Thank you,
>
> Li
>
> #######Version 1:
>
> path='c:\path\to\folder'
> Dir.open(path).each   do |file|
>          if file=~/(\w+|d+).(\d{3,})/
>                puts file
>                puts File.size(file)# this line doesn't work
>                file_number+=1
>          end
> end
>
> puts
> puts 'Files',path
> puts 'File number',file_number
>
> #######Version2
> path='c:\path\to\folder'
> Dir.open(path).each  do |file|
>            if File.file?(file)
>              puts file
>              puts File.size(file)
>              file_number+=1
>        end
> end
>
> puts
> puts 'Files',path
> puts 'File number',file_number
>
> --
> Posted via http://www.ruby-forum.com/.



file in those cases should just be the file name, without the path info.  So
unless the directory you've opened is your current directory,
File.sizewon't work right.  Try
File.size(File.join(path, file))  (same goes for File.file?)

-Scott

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