From: Todd Benson <caduceass@...>
Date: 2008-08-26T09:55:00+09:00
Subject: Re: adding string and numbers

On Mon, Aug 25, 2008 at 7:03 PM, Adam Iggy <raver_iggy@hotmail.com> wrote:
> i'm new at programing. and i was trying to figure out how you add
> numbers. or string? here is the coding
>
> puts 'what is your first name?'
> name1= gets.chomp
> puts 'how about your middle?'
> name2= gets.chomp
> puts 'and what about your last name?'
> name3= gets.chomp
> puts 'did you know there are '+name1.length+name2.length+name3.length+ '
> letters in your name?'
>
> the problem is i get the strings combined, not adding the seperate
> numbers together.
>
> help?

name1.length and friends are numbers, not strings.  You might have to
you use to_s.


Here's a fun inject exercise (q means array of questions, a means
array of answers)...

q = ["what is your first name?", "how about your middle name?", "and
what about your last name?"]
puts q.inject([]) {|a, i| puts i; a << gets.chomp}.inject(0) {|s, a| s + a.size}


Todd