how do I get this: 
$VAR1 = { '999' => { '998' => [ '908', '906', '0', '998', '907' ] } };
$VAR1 = { '999' => { '991' => [ '913', '920', '918', '998', '916', '91
+9', '917', '915', '912', '914' ] } };
$VAR1 = { '999' => { '996' => [] } };
$VAR1 = { '999' => { '995' => [] } };
$VAR1 = { '999' => { '994' => [] } };
$VAR1 = { '999' => { '993' => [] } };
$VAR1 = { '999' => { '997' => [ '986', '987', '990', '984', '989', '98
+8' ] } };
$VAR1 = { '995' => { '101' => [] } };
$VAR1 = { '995' => { '102' => [] } };
$VAR1 = { '995' => { '103' => [] } };
$VAR1 = { '995' => { '104' => [] } };
$VAR1 = { '995' => { '105' => [] } };
$VAR1 = { '995' => { '106' => [] } };
$VAR1 = { '995' => { '107' => [] } };
$VAR1 = { '994' => { '910' => [] } };
$VAR1 = { '993' => { '909' => [] } };
$VAR1 = { '993' => { '904' => [] } };
$VAR1 = { '994' => { '985' => [] } };
$VAR1 = { '994' => { '983' => [] } };
$VAR1 = { '993' => { '902' => [] } };
$VAR1 = { '999' => { '992' => [ '905' ] } };

[download]
to this: 
$VAR1 = { '999:' => [
    { '992' => [ '905' ] },
    { '993' => [
        { '909' => [] },
        { '904' => [] },
        { '902' => [] }
    ] },
    { '994' => [
        { '910' => [] },
        { '985' => [] },
        { '983' => [] }
    ] },
    { '995' => [
        { '101' => [] },
        { '102' => [] },
        { '103' => [] },
        { '104' => [] },
        { '105' => [] },
        { '106' => [] },
        { '107' => [] }
    ] },
    { '996' => [] },
    { '997' => [ '986', '987', '990', '984', '989', '988' ] },
    { '998' => [ '908', '906', '0', '998', '907' ] },
    { '991' => [ '913', '920', '918', '998', '916', '919', '917', '915
+', '912', '914' ] }
]};

[download]

In reply to Creating a tree-based hash out of hashes by Anonymous Monk

Title:
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