From: Saravanan Krishnan <saravani20@...>
Date: 2011-03-25T16:26:52+09:00
Subject: Re: break from select

Hi Venkat,

Quick Solution,
a = [1,2,3,4,5,6,7,8,9,10,11,12,13,14,15]
b =[]
a.collect{|x| b << x if x %2 == 0 and b.length<5}
puts b.inspect

Cheers,
Sarav

Venkat Surabhi wrote in post #989134:
> Hi,
>
>     I have an array like a = [1,2,3,4,5,6,7,8,9,10,11,12,13,14]
>     I need to select elements which are divisible by 2 and select only
> 5 elements.
>
>     col = a.select do |e|
>       e %2 == 0
>     end
>
>     I get all the elements into col which are divisible by 2 and working
> fine.
>
>     what if I want to select only 5 elements
>     I am trying below code
>     i = 0
>      col = a.select do |e|
>       i += 1
>       break if i > 5
>       e %2 == 0
>     end
>
>     Now col returns nil.
>     Also used return but getting error.
>
>     Any solution for this.
>
> Thanks,
> Venkat

-- 
Posted via http://www.ruby-forum.com/.