From: Robert Klemme <shortcutter@...>
Date: 2007-12-12T07:05:16+09:00
Subject: Re: While statements in ruby

On 11.12.2007 18:25, Mark Mr wrote:
> Hi guys, I have a probably simple question. I dont know how to do
> iteration loops in ruby that reference more than one item of an array or
> more than one array. Here's an example of what I would do in php. Can
> anyone convert this to ruby? Thanks :)
> 
> while ($i=0; $i < $response_table.length; $i += 2) {
> 
> <td> $response_table[$i] </td>
> <td> $response_table[$i + 1] </td>
> 
> }

I am amazed nobody mentioned each_slice: with "enumerator" you can do:

irb(main):006:0> (1..6).each_slice(2) {|a,b| print a,",",b,"\n"}
1,2
3,4
5,6
=> nil

> or something like this would work too if i made an array for questions
> and a separate one for answers
> 
> while ($i=0; $i < array_count; $i++) {
> 
> <td> $question_table[$i] </td>
> <td> $answer_table[$i] </td>
> 
> }

questions.size.times do |i|
   puts questions[i], answers[i]
end

Kind regards

	robert