From: Caleb Clausen <vikkous@...>
Date: 2010-05-01T03:16:10+09:00
Subject: Re: Cann't require UTF-8 files.

On 4/30/10, O01eg Oleg <o01eg@yandex.ru> wrote:
> When I require file with UTF-8 encoding I get error:
>
> irb(main):001:0> require '/tmp/share/mudserver/game.rb'
> SyntaxError: /tmp/share/mudserver/game.rb:2: invalid multibyte char
> (US-ASCII)
> /tmp/share/mudserver/game.rb:2: invalid multibyte char (US-ASCII)
> /tmp/share/mudserver/game.rb:2: syntax error, unexpected $end, expecting
> keyword_end
>
> when I simply assign unicode string to variable I don't get any error.
> In C API I have such problem with rb_require and rb_eval_string.
> I think that I have to set encoding for required files but cann't find
> how.
> P.S. I try use $KCODE but it no longer work:
>
> irb(main):006:0> $KCODE = 'u'
> (irb):6: warning: variable $KCODE is no longer effective; ignored
>
> I try require recommended in Internet 'jcode' but it isn't exist and try
> to add u prefix for string, but it cause error even in evalation:
>
> irb(main):005:0> intro = u"привет"
> NoMethodError: undefined method `u' for main:Object

Are you using ruby 1.9? If so, then you need to add a magic encoding
line as the first line (or second if the first is a shebang line) of
your source file, like this:
# encoding: utf-8