#!/usr/bin/perl

# https://perlmonks.org/?node_id=1221960

use strict;
use warnings;
use Data::Dumper;

open my $fh, '<', \<<END; # fake file for testing purposes
(Special)
TG: VIN:1000000
type: a very special type of plane

(Special)
TG: VIN:1000001
type: a very special type of car

(Special)
TG: VIN:1000002
type: a very special type of boat

this repeats many times..
END

my %hash = do{local $/; <$fh>} =~ /^TG:\s(VIN:\d+)\ntype:\s(.*)/gm;

print Dumper \%hash;
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Outputs:

$VAR1 = {
          'VIN:1000001' => 'a very special type of car',
          'VIN:1000002' => 'a very special type of boat',
          'VIN:1000000' => 'a very special type of plane'
        };
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