Well, then at least add a hash reference instead of two array references to match data structure from your _test() ... 

...
push @{ $header_row }
  , [ { 'City Name' => ''
      , ...
      }
    ] ;
...

[download]

BTW|FWIW, your headers|key names are different in letter case & spellings.

In reply to Re^3: Adding rows of data by Anonymous Monk
in thread Adding rows of data by Anonymous Monk

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