From: Robert Klemme <shortcutter@...>
Date: 2011-12-14T17:57:00+09:00
Subject: Re: remove ends of array and interleave

On Wed, Dec 14, 2011 at 3:42 AM, matha wasint <sherri@vsoundinc.com> wrote:
> Greetings:
>
> I have some problems getting a couple of elements working right... I
> have 2 small issues:
>
> 1. Trying to remove the first and last element in an array in Ruby:
> def remove_ends(a)
> a.pop
> a.shift
> end
>
> I need out put like:
> Input array: [1,2,3,4]
> Output: [2,3]
>
> This seems like I'm stumbling on how to reference the array that is
> being processed rather than the original??

What exactly is your problem?

> 2. I'm trying to interleave 2 arrays. I've seen some examples online but
> I need to keep the arguments (a,b) and other examples don't have 2
> inputs.
> I'm pretty close:
>
> a.zip(b)
> join
>
> It interleaves just fine.. but I need the output to be 1 string:
> "a1b2c3d4" I'm not sure how to get to the array created to use JOIN.

What's wrong with a.zip(b).join ?

Cheers

rober


-- 
remember.guy do |as, often| as.you_can - without end
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