From: Brian Candler <b.candler@...>
Date: 2010-08-11T19:52:46+09:00
Subject: Re: Formatting directory listings

simonh wrote:
> By the way, I know that:
> 
> films = Dir['**/*.avi']
> 
> will give me an array with the full pathnames. I'm after help with
> extracting the parent directory name.

(1) You can strip it textually

path = "foo/bar/baz.avi"
basename = path.sub(/^.*\//,'')

(2) You can use the Pathname class

require 'pathname'
path = "foo/bar/baz.avi"
basename = Pathname.new(path).basename.to_s

(3) You can use Dir.foreach in a specific directory (but that won't 
traverse arbitrary subdirectories like **/* does)

Dir.foreach("/etc") { |b| puts b }
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