From: Sandor Szuecs <sandor.szuecs@...>
Date: 2011-03-03T23:35:14+09:00
Subject: Re: Finding all empty directories in a subversion checkout


On Mar 3, 2011, at 2:05 AM, Adam Prescott wrote:

> On Thu, Mar 3, 2011 at 1:03 AM, Adam Prescott <mentionuse@gmail.com> wrote:
> 
>> Dir.entries(dir)[2..-1].reject { |e| e == ".svn" }
>> 
> 
> And of course I forgot the .sort :)
> 
> Dir.entries(dir).sort[2..-1].reject { |e| e == ".svn" }

2..-1 is not correct. It's mostly correct, but what if valid files with 
name.ord < ".".ord (String#ord ruby19) exists?
p.e.

[sz@suessapfel:/tmp/foo]$ irb
irb:0> FileUtils.touch '-r'
=> ["-r"]
irb:0> Dir.entries(".").sort[-1..2]
=> [".."]
irb:0> ^D[sz@suessapfel:/tmp/foo]$ l
total 0
-rw-------   1 sz       wheel     0B Mar  3 15:30 -r
drwx------   3 sz       wheel   102B Mar  3 15:30 ./
drwxrwxrwt@ 11 root     wheel   374B Mar  3 15:30 ../


All the best, Sandor Szücs
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