From: Vincent Gabriel Franco <vincent-franco@...>
Date: 2007-02-08T23:45:27+09:00
Subject: Re: newbie question

Thanks for the links Gregory!
    nice to have a warm welcome instead of a flame
hello world of ruby


Gregory Brown wrote:
>
> I had a little trouble understanding what your code is supposed to do,
> but this code will keep asking you for numbers until you answer with
> an empty response (just hit enter)
>
> It shows the equations as you enter them, and then in the end gives
> you a summary of the one's you've entered.  It does not account for
> all possible errors.
>
> Look up String#empty,  Array#<<, break, loop, and
> Array#each_with_index to understand a bit better what's going on.
>
> Welcome to Ruby.  You might try out http://tryruby.hobix.com as well
> as get acquainted with the documentation at http://ruby-doc.org
>
> Glad to see you hacking, newbie or not :)
>
> firsts = []
> seconds = []
> answers = []
> loop do
>  puts 'Enter a number'
>  first = gets.chomp
>  break if first.empty?
>  firsts << first_number = first.to_i
>  puts '...good.'
>  puts 'Now enter a number to multiply to the first number'
>  second = gets.chomp
>  break if second.empty?
>  seconds << second_number = second.to_i
>  answers << answer = (first_number * second_number)
>  puts "#{first_number} * #{second_number} = #{answer}"
> end
>
> puts 'okay now we are going to look at all the questions your asked'
> answers.each_with_index do |c,i|
>  puts "#{firsts[i]} * #{seconds[i]} = #{c}"
> end
>
>