G'day ag4ve,
This works with the example foo.conf file you posted; however, I would recommend checking that your example data is representative of your real data.
$ perl -Mstrict -Mwarnings -Mautodie -e '
my %conf;
open my $fh, "<", "foo.conf";
my $data = do { local $/; <$fh> };
$conf{$1} = $2 while $data =~ /(\w+)="([^"]*)"/g;
s/\$(\w+)/$conf{$1}/g for values %conf;
use Data::Dumper;
print Dumper \%conf;
'
$VAR1 = {
'A' => 'foo',
'C' => 'appending foo',
'B' => 'some other data',
'D' => '
some list
with more data
and some other data
'
};
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