From: Erik Hollensbe <erik@...>
Date: 2007-06-12T17:55:49+09:00
Subject: Re: Newb Wants to Better His File, Dir code

On 2007-06-08 20:55:42 -0700, rio4ruby <Christopher.Kleckner@gmail.com> said:
>>> dirs = Dir.entries(".").reject{|e| /\.{1,2}/ =~ e}.find_all{|e|
>>> File.directory? e}
>> 
>>> At this point you have a list of directory names.  You can do whatever
>>> you like to that list using .each(), .inject(), .collect(), etc.
>> 
>> The above has a small bug: it rejects all hidden directories. If you
>> want to block only ".." and ".", then change it to:
>> 
>> dirs = Dir.entries(".").reject{|e| /\.{1,2}$/ =~ e}.find_all{|e|
>> File.directory? e}
> 
> This also has bug if you have a file name 'abc.'
> 
> Use rio.

Wouldn't changing the regex to read /^\.{1,2}$/ fix this problem?

Seems like a lot of unnecessary effort to complicate this code up with 
an extra library to fix a regular expression.

-Erik