You should be able to achieve this with Data::Alias. I can't test it, due to my need to stick with perl 5.8.8 on win32--sigh. 

use Data::Alias;
use Data::Dumper;

my @foo = qw( A T T G C );
alias my @view = @foo[1,2];

$view[0] = 'x'; 

print Dumper \@foo;

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TGI says moo

In reply to Re: a referencable array slice (so assigning to it modifes the original) by TGI
in thread a referencable array slice (so assigning to it modifes the original) by muenalan@cpan.org

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