From: Rimantas Liubertas <rimantas@...>
Date: 2009-09-17T18:46:51+09:00
Subject: Re: Itterate over an Array Extracting Data

> So I have the following array
>
> people =  ["Employee 1", "Secretary", "Male", "54"]
>          ["Employee 2", "Manager", "Female", "44"]
>          ["Employee 3", "Chef", "Female", "22"]
>
> I would like to iterate over this array pulling out just the ages. How
> can I do this?
>
> I tried the following:
>
> x = 0
> while x < people.length
> puts people[x][3]
> x += 1
> end
>
> How could I put the results into an array? IRB doesn't like my code.

>> people =  [["Employee 1", "Secretary", "Male", "54"],["Employee 2", "Manager", "Female", "44"],["Employee 3", "Chef", "Female", "22"]]
=> [["Employee 1", "Secretary", "Male", "54"], ["Employee 2",
"Manager", "Female", "44"], ["Employee 3", "Chef", "Female", "22"]]
>> ages = people.collect{|person| person[3]}
=> ["54", "44", "22"]


Regards,
Rimantas
--
http://rimantas.com/