From: Thomas Chust <chust@...>
Date: 2009-08-08T02:30:23+09:00
Subject: Re: How do I add ?

2009/8/7 chutsu <chutsu@gmail.com>:
> I've got a file that is in two columns, how do I add the second column
> up as I read through the file?
> [...]

Hello,

you read strings from the file, but you want to add numbers. Therefore
you need to convert the strings into numbers first.

Take a look at the documentation of String#to_i or String#to_f, for example.

cu,
Thomas


-- 
When C++ is your hammer, every problem looks like your thumb.