From: Daniel Berger <Daniel.Berger@...>
Date: 2005-08-19T03:36:30+09:00
Subject: Re: Idiomatic ruby version of this code?

Pit Capitain wrote:
> Brock Weaver schrieb:
> 
>> Perfect!  Thank you for your quick response.  I decided to take the
>> shortcut of parallel variable assignment too, so I'm violating my own
>> rule a little I guess.
> 
> 
> Note that all the offered solutions including your original version 
> don't work if there are two files named "x.mp3" and "x.temp".
> 
> Regards,
> Pit
> 
> 

def switch(old, new)
    Dir["*.#{old}"].each{ |file|
       new_name = File.basename(file, old) + "." + new
       File.rename(file, new_name) unless File.exists?(new_name)
    }
end

Regards,

Dan