From: Julius Plenz <usenet@...>
Date: 2004-12-17T03:52:12+09:00
Subject: Re: string to (valid) filename

* itsme213 <itsme213@hotmail.com> [2004-12-16]:
> Don't know much about regexes or File/FileUtils, and am a bit stuck
> on what might be quite simple:

As I  obtain from http://www.rubycentral.com/ref/, there are no such
methods defined in File, FileTest or File::Stat.

> Is there a simple way to create a valid filename (develop on XP, but
> would like the filenames to be valid at least on *nix as well) from
> a string that might contain several platform-illegal filename
> characters. The conversion could change spaces etc. to '_'.
>
> e.g.
> "Animals: Fox, Wolf, and Bear".to_filename
>#=> "animals_fox_wolf_and_bear"

You could write your own:

class String
  def to_filename
    self.to_s.downcase.tr(" ", "_").gsub(/[^\w_\.\-]+/, "")
  end
end

Julius
-- 
p"ispp\e[ggk^Zf\23dfRh\16UMNUNZ".unpack("C*").map{|c|@i||=0;c+@i+=1}.pack("C*")