In the works unless I know of something better: a module to return the subtraction of the contents of arrays.

You mean something like:

    # "Subtract" (remove) elements of @minus from @list:
    my %dup;
    @dup{@minus}= ();
    @list= grep { exists $dup{$_} } @list;
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Update: Thanks to PrincePawn for noting that I left out "not" above.

        - tye (but my friends call me "Tye")