From: Xavier <NOSPAM@...>
Date: 2004-04-06T20:29:24+09:00
Subject: Re: ["a", "b", "c", "d"] to "a, b, c, d"?

On Tue, 06 Apr 2004 04:23:22 -0700, Martin wrote:

> I want to process each element of an array, but the last element
> should be handled special. Here is an example:
> 
> def p_ary(ary)
>     str = ""
>     ary.each do |elem|
>         str << elem << ", "
>     end
>     str.chomp!(", ")
>     str
> end
> 
> so p_ary(["a", "f", "x", "test"]) produces "a, f, x, test". The code
> works, but isn't there an easier and more general way for this
> behaviour?
> 
> martinus

["a", "f", "x", "test"].join(", ")
=> "a, f, x, test"


Hth.