Perhaps something like this? 
#!/usr/bin/perl

use strict;

my %record;
while (<DATA>) {
    next if /^id/;
    my @a = split;
    $record{$a[2]}->{$a[0]} = $a[1];
}

__DATA__
id    name    parent
1    data    0
2    data    1
3    data    1
4    data    3
5    data    4

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In reply to Re: Generating recursive hash by bichonfrise74
in thread Generating recursive hash by Anonymous Monk

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