From: Jim Menard <jimm@...>
Date: 2002-01-31T12:25:07+09:00
Subject: Re: integer method question

"r . h a r l o s" <quadzero@users.sourceforge.net> writes:

> Hi, all.  I'm just learning Ruby and already I've come across a situation
> that I don't understand.
> 
> In irb, if I type:
>    2.upto(5) { |n| print n, "-" | }
> 
> I expect to see:
>    2-3-4-5-
> 
> but instead I see:
>    2-3-4-5-2
> 
> Why does the initial value get tacked onto the end?  I'm running ruby
> 1.6.6 on Red Hat 7.2, irb version 0.7.4.
> 
> Thanks in advance for help/answers   :-)

You see the last "2" because after irb executes the code it prints the
value of the resulting object, in this case "2".

On the command line, type "ruby -e '2.upto(5) { |n| print n, "-" | }" and
you will not see the final "2".

Jim
-- 
Jim Menard, jimm@io.com, http://www.io.com/~jimm/
"Indeed, an upsettingly large part of academia right now seems to be
working on bringing Java into the 1980s... sigh." -- Avi Bryant