i think you can try using associative array for this:

@arr1 = qw(alpha beta beta gamma gamma gamma);
undef %arr2;
@arr2{@arr1} = ();
@arr1 = keys(%arr2);
[download]

@arr1 will now contain "alpha beta gamma".

posted by ravi.singh@seepz.tcs.co.in

Edit Masem 2001-08-15 - Added code tags.