From: Gennady <gfb@...>
Date: 2003-05-30T05:13:51+09:00
Subject: Re: Iteration - last detection

>
> hmmm... I cannot find a really elegant solution to this... it would have
> been nice to have some really good looking code solving this but sadly
> you will have to make do with something along these lines:
>
> # some array (could have been a hash)
> a = [3,4,5,6]
> # all but the last element
> a[0,a.length-1].each { |n|
>    # insert real code here
>    p n
> }
> # the last element
> p a[a.length]

With arrays you can also do this as

a[0..-2].each { |n|
  ...
}
p a.last

A little bit less typing. For a hash you can iterate in this manner over
Hash#keys.

>
> hope this is satisfactory...
>
> /Anders
>
> --
> dc -e
> 4dd*od3*dddn1-89danrn10-dan3+ann6*dan*2*an13dn1+dn2-dn3+5*ddan2/9+an13nap
>
>
>