From: Jeff <cohen.jeff@...>
Date: 2008-07-07T23:59:43+09:00
Subject: Re: Find matching elements in array

On Jul 7, 1:04 am, "Pragash Mr." <gananapraga...@srishtisoft.com>
wrote:
> Hi,
> I have one array for example[1,2,3,4]
>
> i need to find the matching elements of another array is there any way
> to find....
> for example [1,2,3,4].include?(2)
> it will return true
> but i need to find one or more elements
> example : [1,2,3,4].include?(2,3)
> it is throwing an error
>
> If you have solution reply me
>
> Thanx
> Pragash
> --
> Posted viahttp://www.ruby-forum.com/.

How about something like this?

a = [1,2,3,4]
x = [2,3]

x.all? { |n| a.include?(n) }

(warning, this is slow for large arrays)

Jeff