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First hack at a trial balance report for Ledger.

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Bradley M. Kuhn 2011-10-12 17:26:19 -04:00
parent 20dbc2d584
commit 52a5840f7c
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trial-balance-report.plx Executable file
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#!/usr/bin/perl
# trail-balance-report.plx -*- Perl -*-
#
# Script to generate a Trial Balance report for a ledger.
# Copyright (C) 2011, Bradley M. Kuhn
#
# This program gives you software freedom; you can copy, modify, convey,
# and/or redistribute it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program in a file called 'GPLv3'. If not, write to the:
# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor
# Boston, MA 02110-1301, USA.
my $LEDGER_CMD = "/usr/bin/ledger";
my $ACCT_WIDTH = 70;
sub ParseNumber($) {
$_[0] =~ s/,//g;
return Math::BigFloat->new($_[0]);
}
Math::BigFloat->precision(-2);
my $ZERO = Math::BigFloat->new("0.00");
if (@ARGV == 0) {
print STDERR "usage: $0 <LEDGER_OPTIONS>\n";
exit 1;
}
my(@ledgerOptions) = ('--wide-register-format', "%-.${ACCT_WIDTH}A %22.108t\n", '-w', '-s', @ARGV);
open(LEDGER_NEGATIVE, "-|", $LEDGER_CMD, '-d', 'a<0', @ledgerOptions)
or die "Unable to run $LEDGER_CMD -d a<0 @ledgerOptions: $!";
my %acct;
while (my $negLine = <LEDGER_NEGATIVE>) {
chomp $negLine;
die "Unable to parse output line from negative_ledger command: $negLine"
unless $negLine =~ /^\s*([^\$]+)\s+\$\s*\-\s*([\d\.\,]+)/;
my($account, $amount) = ($1, $2);
$amount = ParseNumber($amount);
$account =~ s/^\s+//; $account =~ s/\s+$//;
$acc{$account}{negative} = $amount;
}
close LEDGER_NEGATIVE;
die "error($0): $! while running negative_ledger command line" unless ($? == 0);
open(LEDGER_NEGATIVE, "-|", $LEDGER_CMD, '-d', 'a<0', @ledgerOptions)
or die "Unable to run $LEDGER_CMD -d a<0 @ledgerOptions: $!";
# Lazy here: this is nearly identical to loop above
open(LEDGER_POSITIVE, "-|", $LEDGER_CMD, '-d', 'a>0', @ledgerOptions)
or die "Unable to run $LEDGER_CMD -d a<0 @ledgerOptions: $!";
while (my $negLine = <LEDGER_POSITIVE>) {
chomp $negLine;
die "Unable to parse output line from positive_ledger command: $negLine"
unless $negLine =~ /^\s*([^\$]+)\s+\$\s*\s*([\d\.\,]+)/;
my($account, $amount) = ($1, $2);
$amount = ParseNumber($amount);
$account =~ s/^\s+//; $account =~ s/\s+$//;
$acct{$account}{positive} = $amount;
}
close LEDGER_POSITIVE;
die "error($0): $! while running positive_ledger command line" unless ($? == 0);
print sprintf("%${ACCT_WIDTH}s %s %s\n\n", "ACCOUNT", "DEBITS", "CREDITS");
print "ACCOUNT DEBITS CREDITS\n\n";
my($totNeg, $totPos) = ($ZERO, $ZERO);
foreach my $account (keys %acct) {
foreach my $val (qw/positive negative/) {
$acct{$account}{$val} = $ZERO unless defined $acct{$account}{$val};
}
print sprintf("%${ACCT_WIDTH}s \$%-.2d \$%-2.d\n", $account,
$acct{$account}{negative}, $acct{$account}{postiive});
}
print sprintf("%${ACCT_WIDTH}s \$%-.2d \$%-2.d\n", TOTAL, $totNeg, $totPos);
###############################################################################
#
# Local variables:
# compile-command: "perl -c trial-balance-report.plx"
# End: