Each entry in a hash is a scalar, so it contains just one value. However, this value can be a reference to an array. You should see perlref for details.

You can put an array reference into your hash using

$hash{key} = \@my_array;  # the \ makes it a reference

or

$hash{ket} = [1, 23, 37];
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You can put individual entries in your hash using:

$hash{key}->[0] = 1;
$hash{key}->[1] = 23;
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To get them out again use $hash{key}->[0] etc, or get the whole array using @array = @{$hash{key}}.

You can assign values directly using this syntax:

$hash{'somestring'}[0] = 13;
$hash{'somestring'}[1] = 24;
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To print the data out you can eihter use Data::Dumper or do it by hand (useful if you need to get the data for some particular use of yours):

foreach my $k(keys %hash) {
    print "Key: $k\n";
    for my $i(0..@{$hash{$k}}-1) {
        print " - ".$hash{$k}[$i]."\n";
    }
}
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Michele.

use Data::Dumper;
print Data::Dumper->Dumper($hash);
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Can't help you further without more info.

----
I wanted to explore how Perl's closures can be manipulated, and ended up creating an object system by accident.
-- Schemer

Note: All code is untested, unless otherwise stated