From: Daniel Berger <Daniel.Berger@...>
Date: 2005-08-19T01:39:09+09:00
Subject: Re: Idiomatic ruby version of this code?

Brock Weaver wrote:
> Showing off ruby to a coworker, and I want to emphasize how succinct yet
> clear it can be.  So I want to rename all .mp3 files to .temp, or vice versa
> in the current directory -- in the shortest LOC *that you would actually write*;
> not the "here's a one-liner nobody in their right mind would every write if
> they had to maintain it".
> 
> Here's my first solution:
> 
> Dir.new("./").each do |file|
> 	if file.match(/mp3$/)
> 		File.rename(file, file.gsub(/mp3$/, 'temp'))
> 	elsif file.match(/temp$/)
> 		File.rename(file, file.gsub(/temp$/, 'mp3'))
> 	end
> end

Dir["*.mp3"].each{ |file|
    new_name = File.basename(file, ".mp3") + ".temp"
    File.rename(file, new_name)
}

Regards,

Dan