just another suggestion. haven't read the OP too carefully, so maybe that doesn't fit your needs, but my first thought was to use 
( map { $sub->($_->[0]) } @_ );
# instead of
&$sub( map { $_->[0] } @_ );

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In reply to Re: Getting a list of aliases to selected items from a list of array references by tinita
in thread Getting a list of aliases to selected items from a list of array references by tye

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