open(my $in_fh = IO::File->new, "<", $infile) 
or die "Can't open $infile: $!.\n";

close $in_fh;

my $chunk =~ s/[\f\r\n]//g;
my @statement = split '`', $chunk;

## %desc stuff here
my %data;
$/ = "`\n";
foreach my $line (@statement) {
..
}

##</code><code>##

my %data;
$/ = "`\n";
foreach my $line (<DATA>) {
..
}

##</code><code>##

Unknown data 020000000123
Unknown data 500
Unknown data 300
Unknown data 510
Unknown data 539
Unknown data 510
Unknown data 539
Unknown data 599
Unknown data 570
Unknown data 540
Unknown data 550
Unknown data 690
Unknown data 701
Unknown data 200~
$VAR1 = {
          '501' => {
                     'rate1' => '11.150%',
                     'rate2' => '.030547%'
                   },
          '530' => [
                     {
                       'f8' => '83850',
                       'f6' => '1237',
                       'f1' => '09182013',
                       'f9' => 'Payments by Check',
                       'f5' => '609',
                       'f2' => '09182013',
                       'f7' => '10338-',
                       'f4' => '12184-'
                     },
                     {
                       'f8' => 'Payments by Check',
                       'f6' => '11688-',
                       'f1' => '10082013',
                       'f9' => 'K',
                       'f5' => '512',
                       'f2' => '10082013',
                       'f7' => '72162',
                       'f4' => '12200-'
                     }
                   ]
        };