From: Luis de la Rosa <luis@...>
Date: 2007-04-03T13:54:17+09:00
Subject: Re: Last iteration condition

Try this.  It should print out "1,2,3,4,5,3,4" as desired.

arr = [1, 2, 3, 4, 5, 3, 4]
arr.each_with_index do |element, index|
   print element.to_s
   print "," unless arr.length == index + 1
end

Cheers,
Luis
http://www.luisdelarosa.com

On Apr 2, 2007, at 11:00 PM, Mike wrote:

> Hi,
>
>    How could I know that current iteration is the last in the series?
>    For example:
>
> [1, 2, 3, 4, 5, 3, 4].each do |element|
>    print element.to_s
>    print ',' if !LAST
> end
>
> P.S. This is just an example. I don't want to use "join". My program
> logic is much complicated than this example.
>
> Thank you.
>
>