From: Martin Hart <martin@...>
Date: 2004-04-06T21:16:20+09:00
Subject: Re: ["a", "b", "c", "d"] to "a, b, c, d"?

On Tuesday 06 Apr 2004 12:24 pm, 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?
>

can't you just use join?

def p_ary(ary)
  ary.join(", ")
end

or have i misunderstood you?

Cheers,
Martin

> martinus

-- 
Martin Hart
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Union Street, Dunstable, LU6 1EX
http://www.arnclan.com