Using the () list notation with $scalars

[Rob Benton]

I'm looking for a little help here.  I'm not understanding exactly 
what's wrong with this code:

===============================================================
#!/usr/bin/perl -w
use strict;
open IN, "<comma.txt" or die "$!\n";
my %rows;
while (<IN>)
{
    chomp;
    my @fields = split( /,/, $_);
    $rows{$fields[2]} = [ ($fields[3]..$fields[-1]) ];
    print "array: ";
    print "@{$rows{$fields[2]}}\n";
}
close IN;
===========================================================
This prints nothing for the array.  If I replace the scalars inside [ () 
] with literal strings or numbers it works.  What the correct way to do 
what I'm attempting.  Am I just quoting wrong?

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