view release on metacpan or  search on metacpan

README  view on Meta::CPAN

USING ACH-Parser
	use ACH::Parser;

	my $file = 'RETODC0104A.ACH';
	my $ach = new ACH;
	$ach->parse($file);

METHODS
  parse
	Parses the ACH data into the ACH object

CAVEATS
	This package is created for testing purposes only.  It shouldn't be used 
	for production programs or scripts.  There are other commercial products
	out there that may be a more efficient solution for accomplishing your
	goals.

	All records in an ACH file must be formatted in the following sequence
	of records.  IF the file is not formatted in this exact sequence, it
	may be rejected.

lib/ACH/Parser.pm  view on Meta::CPAN

	use ACH::Parser;

	my $file = 'RETODC0104A.ACH';
	my $ach = new ACH;
	$ach->parse($file);

=head1 METHODS

=head2 parse

Parses the ACH data into the ACH object

=cut

# Parse the ACH file formatted text into an ACH object
sub ACH::parse {
  # Get the file name
  my $self = shift; 
  my $file = shift or _croak "Need an ACH file";
  
  # Open the file
  if ( open(INPUT, "$file") ) {}
  else { print "Error:  Couldn't open file $file\n"; die; }

  # Get the file contents
  my @data = <INPUT>;
  my $dataline = $data[0];
  my $pos = 0;
  
  # Loop Through all entries
  while ($pos < length($dataline)) {
    # Get the correct ACH format array and store all parsed data in a hash
    my $desc = substr($dataline, $pos, 1);
    my @dataArray = [];

    # Make sure file descriptor is valid
    if ($desc != 1 and $desc != 5 and $desc != 6 and $desc != 7 and $desc != 8 and $desc != 9) {
      die "File Error:  Code: $desc\n";
    }
    
    # Iterate through the appropriate ACH file format array and parse the data
    for (my $x=0; $x < @{$self->{_achFormats}{$desc}}; $x++) {
	  my $field = ${$self->{_achFormats}{$desc}}[$x];
            
	  # Get the field name and length
	  my ($field_name, $field_length);
	  while ( my ($key, $value) = each(%$field) ) { $field_name = $key;  $field_length = $value; }

      # Get the ACH Data from the file
      my $part = substr($dataline, $pos, $field_length);  chomp $part;
      my %hash = ($field_name => $part);
      $dataArray[$x] = \%hash;
      $pos += $field_length;    
    }
    
    # Save data to list
    @{$self->{_achData}}[scalar @{$self->{_achData}}] = \@dataArray; 
  }
  
  # Close the Input file
  close (INPUT);
}


=head2 CAVEATS

This package is created for testing purposes only.  It shouldn't be used