From: Mark Thomas <mark@...>
Date: 2009-04-27T22:10:04+09:00
Subject: Re: How to parse a "line"?

On Apr 27, 8:50 am, Martin Sharon <huangshu...@gmail.com> wrote:
> :)I am really confused with ruby now.
> OK, what I want to do is this, let me describe by c
>
> input is one line: number city1 city2....city2
>
> for(i=0;i<number;i++)
> {
>    function(cityi)
>
> }

Is that all you want to do? Once you have the cities,

cities.each do |city|
  function(city)
end

So, putting it all together,

lines.each do |line|
  (cities = line.split).shift
  cities.each do |city|
    function(city)
  end
end

You don't really need the number at all.

-- Mark.