There are two underscores.

Dan

chen li wrote:
> Hi all,
> 
> I run a script copied from "the Ruby way" but it
> doesn't work. Any comments?
> 
> Thanks,
> 
> Li
> 
> ###script
> 
> DATA.each_line do |line|
>   puts line.reverse
> end
> 
> _END_
> 
> line A
> line B
> line C
> 
> 
> ##screen output
>> ruby p352_data.rb
> p352_data.rb:2: uninitialized constant DATA
> (NameError)
>> Exit code: 1
> 
> 
>  
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