open my $FH, '<' , $config or die "Cannot open $config: $!\n";
my $data = <$FH>; # Dump the line
$data = '';
while (<$FH>) {
    next if /^\s*#|^$/;
    $data .= $_;
}
close $FH;
while ($data =~ m/\{([^}]*)\}/gx ) { 
    print "$1\n";
}