[% FOREACH r = results %]
  [% r %]                       <---- this prints out a hash
[% END %]
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That's because r is a hash reference. If you want to show data in r, you need to say something like

[% FOREACH r = results %]
  [% r.foo %] and [% r.bar %]
[% END %]
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Read all about it in the Template Toolkit's manual, section on Hash Array References.

Also, from looking at the code above, you may benefit from reading the Data::Dumper docs. It's typically a much handier way of displaying a data structure than rolling your own.

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