From: Nathan Clark <tokenshift@...>
Date: 2010-12-29T08:07:34+09:00
Subject: Re: convert String "1;2;3;4;5;" to Array [1, 2, 3, 4, 5]

> I'm trying to convert a String of numbers that are separated by
> semicolons to an Array---totally for fun, to stretch my ruby
> understanding, fyi.
>
> I use the Array in a while loop which does work when the Array looks
> like = [1,2,3,4,5,...]---so that part is working. But I want to use ruby
> to
> convert a String = "1;2;3;4;5;6;7;8;9;10" into an Array [1,2,3,4,5,...]
> so
> that I can use these values.
>
> I've tried many a method, but can't seem to get the desired result; I've
> tried gsub(/\;/, ","), eval (), and others.
>
> ##########
>
> raw_data = "1;2;3;4;5;6;7;8;9;10"
> data = raw_data.split(/\;/) #but this gives ["1", "2", "3", "4", "5",
> "6", "7", "8", "9", "10"], not [1, 2, 3,...]

This is the right track, you just need to then convert each string to
a number, e.g.

raw_data.split(";").map { |raw| raw.to_i }