Example used:

code:
  
		$arr1 = a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z
		$arr2 = 1,2,3,4,f,g,a,34,42,23,c,z,o,r

		"results for arraycomp(); elements that don't match:" ? ?
		for each $e in arraycomp($arr1, $arr2)
		    ":" $e ?
		next
		? "results for arraycomp(); matching elements:" ? ?
		for each $e in arraycomp($arr1, $arr2, 1)
		    ":" $e ?
		next

		get $
Result using suggested code:

code:
  
results for arraycomp(); elements that don't match:

:1
:2
:3
:4
:f
:g
:34
:42
:23
:c
:z
:o
:r

results for arraycomp(); matching elements:

:f
:g    
:a
:c
:z
:o
:r
Using Present:

code:
 
results for arraycomp(); elements that don't match:

:1
:2
:3
:4
:34
:42
:23

results for arraycomp(); matching elements:

:f
:g
:a
:c
:z
:o
:r
I've tested this a few times and this is the results I get?

[ 25. February 2003, 23:22: Message edited by: Darren ]
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Number 1, 'cover for me.'
Number 2, 'oh, good idea, boss.'
Number 3, 'it was like that when I got here'.