From: Rudolf Polzer <AntiATField_adsgohere@...>
Date: 2002-09-27T18:21:35+09:00
Subject: Re: 'kakasi': different style for hiragana and katakana?

Scripsit ille aut illa GOTO Kentaro <gotoken@notwork.org>:
> Rudolf Polzer wrote:
> > In my kakasi-renamer I want to change filenames to Roumaji as follows:
> > 
> >   hiragana
> >   KATAKANA
> >   Kanji
> 
> As far as I know, kakasi doesn't have such function.

[...]
>   def eucjp_katakana_to_upcase(str)
>     katakana_from = "\xa5\xa1"  # small a
>     katakana_end = "\xa5\xf6"   # small ke
>     katakana = /[#{katakana_from}-#{katakana_end}]+/em # em for euc&multiline
>     str.gsub(katakana){Kakasi::kakasi("-ka -Ka", $&).upcase}
>   end

Thanks! Where can I find an EUC-JP coding table (not containing each
single code, but containing all relevant ranges)?

>   if __FILE__ == $0
>     puts eucjp_katakana_to_upcase(ARGF.read)
>   end
> 
> > Currently I have
> > 
> >     if Kconv::guess (name) != Kconv::UNKNOWN
> >       euc = Kconv::toeuc (name)
> 
> Kconv::guess and Kconv::toeuc uses different algorithms to determine
> encoding and  "if Kconv::guess (name) != Kconv::UNKNOWN" may not work. 

I'm using this to prevent changing of file names that just contain
German umlaut characters (�, �, �), the German � or the Euro sign (�,
\xa4). But I could save the result of Kconv::guess and use this when
converting.

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The math could be slightly incorrect, but it sounds right.              RFC 2795