From: Justin Collins <justincollins@...>
Date: 2007-10-14T08:43:19+09:00
Subject: Re: top 10 last played mp3's

Robin Wagenaar wrote:
> Hello everyone,
>
> My level of ruby-experience has just slightly passed hello-world, I'm
> quite new to this programming language; I hope I don't bother all of you
> too much by posting my low-level question here.
>
> I would like to make a program that iterates recursively trough my music
> directory, and selects the top-10 of most recently played tracks.
>
> I try to use File.atime(path) to check if the current file is accessed
> recently enough to get into my top-10, but my problem is that I don't
> know how to (correctly) compare a date to the return value of
> File.atime.
>
> I'm sure you can give me some simple hints, or a small push in the right
> direction. Thanks in advance.
>
>
>
> this is what I have so far:
>
> require 'find'
> require 'date'
>
> dir = "/share/music"
>
> Find.find(dir) do |path|
>
>   if File.directory?(path)
>     next
>      else
>     if path.match(".*mp3") != nil
>       print File.atime(path)," : "
>       print path,"\n"
>     end
>      end
>
> end
>   

Your original question has been answered already, but just a small note: 
puts and string interpolation is generally a lot simpler to use for output:

puts "#{File.atime(path)} : #{path}"

That will also add the "\n" or "\r\n" as appropriate, so you do not need to.

-Justin