Re: [jruby-user] Iterating over characters in a String ?

Leonel Gayard wrote:
> Ok, I'll take a look at that.
>
> So, in the meantime, for iterating over characters, is there a better
> solution than this ?
>
> def each_char(str)
>  0...str.length do |i| puts str[i] end
> end
>
> This is quite important. I'm writing my app in Brazilian Portuguese,
> which with all its accents ("Olá, como vai você ?") does not fit in
> the ASCII subset of UTF-8, and I really need Unicode.

If you know what character set you are using, you can use the unpack 
method. For example, if the bytes represent UTF-8 characters, then

   str.unpack('U*')

will return an array of unsigned integers. If you are using ISO-8859-1, 
then try

   str.unpack('C*')

which returns an array of Fixnums.

// Gregory

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