I've found out the problem,
http://wiki.rubyonrails.com/rails/show/iconv
says how to cope with it,

thanks,Katarina 

On 7/21/05, femtowin femtowin <femtowin / gmail.com> wrote:
> require 'iconv'
> conv = Iconv.new("UTF16","ISO88591")
> result = conv.iconv("hello")
> 
> but it reports: No such file to load -- iconv,
> I'm under windows.
> and the manual says Iconv is a wrapper class for the UNIX 95 iconv()
> function family,so is that iconv must be used under UNIX/LINUX?
> or should I install something?
> 
> On 7/20/05, Katarina WONG <k.wong / laposte.net> wrote:
> > On Wed, 20 Jul 2005 08:31:39 +0200, femtowin femtowin <femtowin / gmail.com>
> > wrote:
> >
> > > hello all,
> > > say I've get a file encoding in GB2312,
> > > how do I convert it to UTF-8?
> > >
> >
> > How about a good old RTFM ? ;)
> >
> > http://www.ruby-doc.org/ is your friend.
> >
> > Check out this page for the iconv wrapper
> >
> > http://www.ruby-doc.org/stdlib/libdoc/iconv/rdoc/classes/Iconv.html
> >
> >
> >
> > --
> > Katarina
> >
> >
> 
>