#!/usr/bin/env perl

use strict;
use warnings;
use autodie;

use Data::Dumper;

my @out;

open my $in_fh, '<', 'pm_1054339_data.txt';

while (<$in_fh>) {
    chomp;
    my ($key, $value) = split /=/;

    for ($key) {
        /component/  && do { push @out, { $key => $value }; last };
        /version/    && do { $out[-1]{$key} = $value; last };
        /sourcefile/ && do { push @{$out[-1]{order}}, $value; last };
        /sourcesum/  && do { $out[-1]{sources}{$out[-1]{order}[-1]} = $value }; 
    }
}

close $in_fh;

print Dumper \@out;

##</code><code>##

$ cat pm_1054339_data.txt
component=HF
version=NULL
sourcefile=filename1
sourcesum=checksumfile1
sourcefile=filename2
sourcesum=checksumfile2
sourcefile=filename3
sourcesum=checksumfile3
component=SVM
version=10.0.70.102
sourcefile=filename4
sourcesum=checksumfile4
component=HF_2
version=NULL
sourcefile=file10
sourcesum=checksum10
sourcefile=file2
sourcesum=checksum2
sourcefile=file3
sourcesum=checksum3

##</code><code>##

$ pm_1054339_data.pl
$VAR1 = [
          {
            'order' => [
                         'filename1',
                         'filename2',
                         'filename3'
                       ],
            'sources' => {
                           'filename3' => 'checksumfile3',
                           'filename1' => 'checksumfile1',
                           'filename2' => 'checksumfile2'
                         },
            'version' => 'NULL',
            'component' => 'HF'
          },
          {
            'version' => '10.0.70.102',
            'order' => [
                         'filename4'
                       ],
            'sources' => {
                           'filename4' => 'checksumfile4'
                         },
            'component' => 'SVM'
          },
          {
            'version' => 'NULL',
            'sources' => {
                           'file10' => 'checksum10',
                           'file3' => 'checksum3',
                           'file2' => 'checksum2'
                         },
            'order' => [
                         'file10',
                         'file2',
                         'file3'
                       ],
            'component' => 'HF_2'
          }
        ];