From: Tim Hunter <TimHunter@...>
Date: 2007-05-02T07:05:05+09:00
Subject: Re: file & split

Marcin Kulisz wrote:
> Logan Capaldo wrote:
>   
>>> but I still don't know how to put together all this numbers
>>>       
>> I' m not sure what you mean by "put together all this numbers."  A good
>> thing to do when you are trying to write a program is to play with it 
>> irb.
>> You get immediate feedback.
>>     
>
> I've got this few lines
> while line=file.gets
>     tab=line.split
>     c8=tab[7].to_f
>   end
> and it works. Results of is it's like that
> 22121.12
> 4232.1
> 42353.90
> 322.0
> when I'll add line like this "puts sum=+c8" just before end nothing 
> happens, all I want is to add one number to another (evaluate it)
>
>   
Two things:

a) It's "+=" not "=+"
b) You probably need to convert c8 to a number before you can add it

puts sum += c8.to_i


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