duh! (smacks own head) You're right. 
@ary1 = grep {!exists $h2{$_} or $dupes{$_}=0} @ary1;
@ary2 = grep {!exists $h1{$_}                } @ary2;

[download]

andye.

minor edit

In reply to Re: Re: Re: Printing and Removing Duplicates in Arrays by andye
in thread Printing and Removing Duplicates in Arrays by johnirl

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