$ perl -Mstrict -Mwarnings -e '
    use Data::Dumper;

    my @data = qw{
        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
    };

    my (%compdata, $comp, $file);

    for (@data) {
        my ($key, $value) = split /=/;

        for ($key) {
            /component/  && do { $comp = $value; last };
            /version/    && do { $compdata{$comp}{version} = $value; last };
            /sourcefile/ && do { $file = $value; last };
            /sourcesum/  && do { $compdata{$comp}{sources}{$file} = $value };
        }
    }

    print Dumper \%compdata;
'
$VAR1 = {
          'SVM' => {
                     'version' => '10.0.70.102',
                     'sources' => {
                                    'filename4' => 'checksumfile4'
                                  }
                   },
          'HF' => {
                    'version' => 'NULL',
                    'sources' => {
                                   'filename3' => 'checksumfile3',
                                   'filename2' => 'checksumfile2',
                                   'filename1' => 'checksumfile1'
                                 }
                  }
        };