[FifthBlock]

build: Test_2.00.002

##</code><code>##

read_config 'test2.cfg' => my %config;
print Dumper(%config);
$config{"FifthBlock"}{"build"} = "Test_2.00.002";
write_config %config, "test2.modified";
exit 0;

##</code><code>##

[MainSection]
branch: FirstBlock
branch: SecondBlock
branch: ThirdBlock
branch: FourthBlock

[MainSectionBuilds]
build: TestBuild-001
build: TestBuild-002
build: TestBuild-003
build: TestBuild-004
build: TestBuild-005

[FirstBlock]
build: Test_1.04.001
build: Test_1.04.002
build: Test_1.04.003
build: Test_1.04.004

##</code><code>##

$VAR1 = '';
$VAR2 = {};
$VAR3 = 'FirstBlock';
$VAR4 = {
          'build' => [