From: Jiangyi Liu <jyliu@163.net>
Date: 2000-12-23T19:10:03+09:00
Subject: [ruby-talk:8000] Re: Comparsion Problem?

Okay, thank you for your reply. Now I got it.

"Keith Weinberg" <keith@groupdigital.com> wrote in message
news:3A424075.727CB63C@groupdigital.com...
> reply inline. . .
>
> Dan Schmidt wrote:
> >
> > "Jiangyi Liu" <jyliu@163.net> writes:
> >
> > | I met a problem when I tried to write some Ruby code to learn
> > | Ruby. The following code just can't work as expected,
> > |
> > | "Hello".each_byte { |c|
> > |     if c == "o"
> > |         print "oh, i got an o!", "\n"
> > |     end
> > | }
> >
> > In ruby, characters and one-element strings are different types,
> > unlike some other languages.
>
> each_byte is returning exactly that. . . the number associate with each
> byte.
> As far as I can tell, Ruby doesn't have a "Character" object.  You
> typically
> (conveniently) use one-character strings.
>
> >
> > Try 'if c == ?o' insead.
>
> I don't think that will work. 'o' is a string just like "o"
>
> Try this instead [it "splits" the string into an array of strings (each
> one character
> long) and iterates over them].
>
> "hello".split(//).each{|c|
> if (c == "o") then
> puts "oh, I got an o"
> end
> }
>
> or more concisely:
> "hello".split(//).each{|c| puts "oh, I got an o" if (c == "o")}
>
> enjoy Ruby, I do,
> /<