The most obvious method is to loop and use listFind()

<cfset match = "no">
<cfloop index="i" list="#list1#">
        <cfif listFind(list2,i)>
                <cfset match = "yes">
                <cfbreak>
        </cfif>
</cfloop>

---
Billy Cravens
 

-----Original Message-----
From: Won Lee [mailto:[EMAIL PROTECTED]] 
Sent: Tuesday, May 21, 2002 12:57 PM
To: CF-Talk
Subject: Most efficient way to check if two lists

Hello,

Need to find out which way is the most efficient way to see if a value
in 
list A is a value in list B.

List A = 1,2,3          VALID ListMatch
List B = 2,3,4

List A = 1,2,3          VALID ListMatch
List B = 1,4,6

List A = 1,2,3          NOT VALID ListMatch
List B = 7,4,6


As long as it has single matching values it is valid.


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