From: w_a_x_man <w_a_x_man@...>
Date: 2010-10-17T07:40:14+09:00
Subject: Re: Most elegant way: array of files from array of directories

On Oct 15, 11:50 pm, Terry Michaels <sp...@frigidcode.com> wrote:
> I have a array of directories passed into my program. I want a new array
> which is a list of all files in said directories (only one level deep is
> necessary). N.B.:
>
> 1. Each elements of the new array must be an absolute (full) path, or at
> least relative to the cwd. (Assume all directories provided are also
> absolute or relative to cwd)
> 2. OS and preference agnostic: Especially, I do not know what directory
> separator will be used (say, backward- or forward-slash) or whether
> there will be a trailing directory separator in the directory path (say,
> a trailing forward-slash).
>
> Dir.foreach almost does what I want, but gives relative output instead
> of absolute.
>
> array_of_file_paths = Array.new
>
> array_of_directory_paths.each do |directory_path|
>   # ???
> end
>
> --
> Posted viahttp://www.ruby-forum.com/.

dir_paths.map{|d| Dir[ File.join( d, "*") ] }.flatten.
select{|f| test ?f, f}