Le Thu, 30 Apr 2009 05:52:26 -0500,
Charanya Nagarajan <charanya.nagarajan / tcs.com> a écrit :

> I have 2 lists
> 
> a=[1,2,3,4]
> b=[2,4,6,7,8]
> 
> I want to find if there are any elements present in "a" which are also
> present in "b".
> I jus wanna "true" or "false" answer if both of the arrays have any
> element in common.

(a-b).nil?

-- 
Arnaud Schmittbuhl