From: Martin DeMello <martindemello@...>
Date: 2006-12-04T01:17:15+09:00
Subject: Re: How to get the values for Excel constants at once

On 12/3/06, chen li <chen_li3@yahoo.com> wrote:
>
> --- Martin DeMello <martindemello@gmail.com> wrote:
>
> > Use const_get - it's a method defined on Module.
> >
> >  Excel_Const.constants.sort.each{|i|
> >   puts "The value of Excel_Const::#{i} is
> > "+Excel_Const.const_get(i)
> > }
>
> Thank you very much. BTW it doesn't work when + is
> there so I change the code into the following:

Oops - yes, + assumes that all the constants are strings. Should have
been +Excel_Const.const_get(i).to_s

You could also just inline it into the string:   puts "The value of
Excel_Const::#{i} is #{Excel_Const.const_get(i)}" since #{}
automatically calls to_s on the return value of the block.

martin