From: Axel Etzold <AEtzold@...>
Date: 2008-08-25T23:08:54+09:00
Subject: Re: Moving all files in a folder to another hard drive


-------- Original-Nachricht --------
> Datum: Mon, 25 Aug 2008 20:19:27 +0900
> Von: SpringFlowers AutumnMoon <summercoolness@gmail.com>
> An: ruby-talk@ruby-lang.org
> Betreff: Re: Moving all files in a folder to another hard drive

> no matter which of the two methods is used:
> 
> files = Dir.new(basedir).entries
> 
> Dir.chdir(basedir)
> files = Dir.glob("*");
> 
> then if i do
> 
> files.each { |file|
>   p i, file
>   file.each_byte {|c| print c, ' ' }
> 
> then whenever the filename has international characters, then the ASCII 
> code 63 is printed out a lot, meaning it is  "?".   I wonder is it true 
> for Japanese version of Ruby too?   Does it actually get back UTF-8 code 
> or JIS code?
> 
> -- 
> Posted via http://www.ruby-forum.com/.

As far as I know, East Asian encodings use more than one bit to store a character
(due to the huge amout  of characters, they wouldn't all fit into 256 places).
This might explain why you get ? when you write each_byte there.

I am not on Windows right now, so I am sure whether your international files
all get copied to ?(repeat x times) or whether they are copied to names which
are not correctly displayed in the file browser.

What you could do is CGI.escape and (maybe later CGI.unescape) them:

require "cgi"

files.each { |file|
  p  CGI.escape(file)
# and then move files
 }

That's not elegant, but it will produce names with only % and ASCII letters.


How does rio behave under Windows  (http://rio.rubyforge.org/)  ?


Best regards,

Axel 
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