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|
#!/usr/bin/perl
use strict;
use warnings;
use Math::BigFloat;
use Date::Manip;
Math::BigFloat->precision(-2);
my $ZERO = Math::BigFloat->new("0.00");
my $ONE_HUNDRED = Math::BigFloat->new("100.00");
my $VERBOSE = 1;
my $DEBUG = 0;
my $LEDGER_BIN = "/usr/local/bin/ledger";
######################################################################
sub SubSetSumSolver ($$$) {
my($numberList, $totalSought, $extractNumber) = @_;
my($P, $N) = (0, 0);
my $size = scalar(@{$numberList});
my %Q;
my(@L) =
map { { val => &$extractNumber($_), obj => $_ } } @{$numberList};
if ($VERBOSE) {
}
}
print STDERR " L in this iteration:\n [" if $VERBOSE;
foreach my $ee (@L) {
if ($ee->{val} < 0) {
$N += $ee->{val}
} else {
$P += $ee->{val};
}
print STDERR $ee->{val}, ", " if $VERBOSE;
}
print STDERR "]\n P = $P, N = $N\n" if ($VERBOSE);
for (my $ii = 0 ; $ii <= $size ; $ii++ ) {
$Q{$ii}{0}{value} = 1;
$Q{$ii}{0}{list} = [];
}
for (my $jj = $N; $jj <= $P ; $jj++) {
$Q{0}{$jj}{value} = ($L[0]{val} == $jj);
$Q{0}{$jj}{list} = $Q{0}{$jj}{value} ? [ $L[0]{obj} ] : [];
}
for (my $ii = 1; $ii <= $size ; $ii++ ) {
for (my $jj = $N; $jj <= $P ; $jj++) {
if ($Q{$ii-1}{$jj}{value}) {
$Q{$ii}{$jj}{value} = 1;
$Q{$ii}{$jj}{list} = [] unless defined $Q{$ii}{$jj}{list};
push(@{$Q{$ii}{$jj}{list}}, @{$Q{$ii-1}{$jj}{list}});
} elsif ($L[$ii]{val} == $jj) {
$Q{$ii}{$jj}{value} = 1;
$Q{$ii}{$jj}{list} = [] unless defined $Q{$ii}{$jj}{list};
push(@{$Q{$ii}{$jj}{list}}, $jj);
} elsif ($Q{$ii-1}{$jj - $L[$ii]{val}}{value}) {
$Q{$ii}{$jj}{value} = 1;
$Q{$ii}{$jj}{list} = [] unless defined $Q{$ii}{$jj}{list};
push(@{$Q{$ii}{$jj}{list}}, $L[$ii]{obj}, @{$Q{$ii-1}{$jj - $L[$ii]{val}}{list}});
} else {
$Q{$ii}{$jj}{value} = 0;
$Q{$ii}{$jj}{list} = [];
}
}
}
foreach (my $ii = 0; $ii <= $size; $ii++) {
foreach (my $jj = $N; $jj <= $P; $jj++) {
print "Q($ii, $jj) == $Q{$ii}{$jj}{value} with List of ", join(", ", @{$Q{$ii}{$jj}{list}}), "\n";
}
}
return [ $Q{$size}{$totalSought}{value}, \@{$Q{$size}{$totalSought}{list}}];
}
######################################################################
sub Commify ($) {
my $text = reverse $_[0];
$text =~ s/(\d\d\d)(?=\d)(?!\d*\.)/$1,/g;
return scalar reverse $text;
}
######################################################################
sub ParseNumber($) {
$_[0] =~ s/,//g;
return Math::BigFloat->new($_[0]);
}
if (@ARGV < 4) {
print STDERR "usage: $0 <ACCOUNT_REGEX> <END_DATE> <BANK_STATEMENT_BALANCE> <LEDGER_OPTIONS>\n";
exit 1;
}
######################################################################
sub ConvertTwoDigitPrecisionToInteger ($) {
return sprintf("%d", $_[0] * $ONE_HUNDRED);
}
######################################################################
sub ConvertTwoDigitPrecisionToIntegerInEntry ($) {
return ConvertTwoDigitPrecisionToInteger($_[0]->{amount});
}
######################################################################
my($account, $endDate, $balanceSought, @mainLedgerOptions) = @ARGV;
$balanceSought = ParseNumber($balanceSought);
my $err;
my $startDate = UnixDate(DateCalc(ParseDate($endDate), ParseDateDelta("- 1 month"), \$err), "%Y/%m/%d");
die "Date calculation error on $endDate" if ($err);
my(@fullCommand) = ($LEDGER_BIN, @mainLedgerOptions, '-V', '-X', '$',
'-b', $startDate, '-e', $endDate,
'-F', '"%(date)","%C","%P","%t"\n',
'reg', "/$account/");
open(FILE, "-|", @fullCommand)
or die "unable to run command ledger command: @fullCommand: $!";
my @entries;
foreach my $line (<FILE>) {
die "Unable to parse output line from: $line"
unless $line =~ /^\s*"([^"]*)","([^"]*)","([^"]*)","([^"]*)"\s*$/;
my($date, $checkNum, $payee, $amount) = ($1, $2, $3, $4);
die "$amount is not a valid amount"
unless $amount =~ s/\s*\$\s*([\-\d\.\,]+)\s*$/$1/;
$amount = ParseNumber($amount);
push(@entries, { date => $date, checkNum => $checkNum, amount => $amount });
}
close FILE;
die "unable to properly run ledger command: @fullCommand: $!" unless ($? == 0);
my(@solution) = SubSetSumSolver(\@entries, ConvertTwoDigitPrecisionToInteger($balanceSought),
\&ConvertTwoDigitPrecisionToIntegerInEntry);
if ($VERBOSE) {
use Data::Dumper;
print Data::Dumper->Dump(\@solution);
}
###############################################################################
#
# Local variables:
# compile-command: "perl -c bank-reconcilation.plx"
# End:
|
