From: Robert Klemme <shortcutter@...>
Date: 2010-08-23T17:55:09+09:00
Subject: Re: directory listing without . and ..

2010/8/23 Ryan Davis <ryand-ruby@zenspider.com>:
> On Aug 22, 2010, at 23:40 , Rajarshi Chakravarty wrote:
>> Hi,
>> How can I get an array of all legitimate sub directories in the current
>> directory?
>>
>> path = "D:/Traffic"
>> Dir.chdir(path)
>>
>> This gives 2 extra entries "." and ".."
>> Dir.open(stationDir).entries.reject{|f| File.file?(f)}
>
> In all my years of ruby I don't think I've ever used Dir.open(...).entries. I almost _always_ use Dir.glob (aka Dir[...]). I also almost always use the block form for chdir.
>
> Dir.chdir("/Users/ryan") do
>  p Dir[File.join("Work", "*")]
> end

And the chdir isn't even needed here as far as I can see.  This should
do the job:

dirs = Dir[File.join(path, '*')].select {|x| File.directory? x}

Kind regards

robert

-- 
remember.guy do |as, often| as.you_can - without end
http://blog.rubybestpractices.com/