item 1 # as read from file
    $key =          "k1";
    $valname =  "vname1";
    $value =        "v1";
    $type =         "t1";
    $flag =         "f1";
    $hash{ $key } = ( { $valname => [ $value, $type, $flag ] });
    
item 2 
    $key =          "k1";
    $valname =  "vname2";
    $value =        "v2";
    $type =         "t2";
    $flag =         "f2";
    $hash{ $key } = ( { $valname => [ $value, $type, $flag ] });

item 3
    $key =          "k3";
    $valname =  "vname3";
    $value =        "v3";
    $type =         "t3";
    $flag =         "f3";
    $hash{ $key } = ( { $valname => [ $value, $type, $flag ] });
    
item N  (indeterminate until runtime)