From: ara.t.howard@...
Date: 2006-02-03T02:38:27+09:00
Subject: Re: Chomping and stomping

On Fri, 3 Feb 2006, William James wrote:

>
> John Maclean wrote:
>> Chaps,
>>
>> Here's a short script to keep requesting for input...
>>
>> #!/usr/bin/ruby -w
>> def chomper
>>   xx = gets.chomp!
>>   until $_ == "qq"
>>     puts "hit me with a squirell!"
>>     xx = gets.chomp!
>>     xx
>>   end
>> end
>>
>> chomper
>>
>> # this works but surely there must be a way to incoporate a variable
>> in there?
>>
>> #!/usr/bin/ruby -w
>> def chomper
>>   xx = gets.chomp!
>>   until xx == "qq"
>>     puts "hit me with a squirell!"
>>     xx
>>   end
>> end
>>
>> #this don't work.
>
>
> def chomper
>  until (xx = gets.chomp) == 'qq'
>    puts "hit me with a squirell!"
>  end
>  xx
> end
>
> puts chomper


   harp:~ > cat a.rb
   def chomper
     until (xx = gets.chomp) == 'qq'
       puts "hit me with a squirell!"
     end
     xx
   end

   puts chomper


   harp:~ > ruby a.rb < /dev/null
   a.rb:3:in `chomper': private method `chomp' called for nil:NilClass (NoMethodError)
           from a.rb:9


nil doesn't like that!  ;-)

-a

-- 
happiness is not something ready-made.  it comes from your own actions.
- h.h. the 14th dali lama