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#=====================================================================
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# SQL-Ledger Accounting
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# Copyright (C) 2002
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#
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# Author: Dieter Simader
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# Email: dsimader@sql-ledger.org
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# Web: http://www.sql-ledger.org
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#
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# Contributors:
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#======================================================================
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#
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# this is a variation of the Lingua package
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# written for check and receipt printing
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# it returns a properly formatted text string
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# for a number up to 10**12
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sub init {
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my $self = shift;
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%{ $self->{numbername} } =
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(0 => 'Null',
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1 => 'ein',
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2 => 'zwei',
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3 => 'drei',
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4 => 'vier',
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5 => 'f?nf',
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6 => 'sechs',
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7 => 'sieben',
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8 => 'acht',
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9 => 'neun',
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10 => 'zehn',
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11 => 'elf',
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12 => 'zw?lf',
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13 => 'dreizehn',
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14 => 'vierzehn',
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15 => 'f?nfzehn',
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16 => 'sechzehn',
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17 => 'siebzehn',
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18 => 'achtzehn',
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19 => 'neunzehn',
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20 => 'zwanzig',
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30 => 'dreissig',
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40 => 'vierzig',
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50 => 'f?nfzig',
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60 => 'sechzig',
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70 => 'siebzig',
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80 => 'achtzig',
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90 => 'neunzig',
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10**2 => 'hundert',
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10**3 => 'tausend',
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10**6 => 'million',
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10**9 => 'milliarde',
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10**12 => 'billion'
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);
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}
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sub num2text {
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my ($self, $amount) = @_;
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return $self->{numbername}{0} unless $amount;
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my @textnumber = ();
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# split amount into chunks of 3
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my @num = reverse split //, $amount;
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my @numblock = ();
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my ($i, $appendn);
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my @a = ();
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while (@num) {
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@a = ();
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for (1 .. 3) {
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push @a, shift @num;
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}
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push @numblock, join / /, reverse @a;
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}
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my $belowhundred = !$#numblock;
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while (@numblock) {
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$i = $#numblock;
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@num = split //, $numblock[$i];
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$appendn = "";
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$numblock[$i] *= 1;
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if ($numblock[$i] == 0) {
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pop @numblock;
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next;
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}
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if ($numblock[$i] > 99) {
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# the one from hundreds
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push @textnumber, $self->{numbername}{$num[0]};
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# add hundred designation
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push @textnumber, $self->{numbername}{10**2};
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# reduce numblock
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$numblock[$i] -= $num[0] * 100;
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}
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$appendn = 'en' if ($i == 2);
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$appendn = 'n' if ($i > 2);
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if ($numblock[$i] > 9) {
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# tens
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push @textnumber, $self->format_ten($numblock[$i], $belowhundred);
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} elsif ($numblock[$i] > 1) {
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# ones
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push @textnumber, $self->{numbername}{$numblock[$i]};
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} elsif ($numblock[$i] == 1) {
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if ($i == 0) {
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push @textnumber, $self->{numbername}{$numblock[$i]}.'s';
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} else {
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if ($i >= 2) {
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push @textnumber, $self->{numbername}{$numblock[$i]}.'e';
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} else {
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push @textnumber, $self->{numbername}{$numblock[$i]};
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}
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}
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$appendn = "";
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}
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# add thousand, million
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if ($i) {
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$amount = 10**($i * 3);
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push @textnumber, $self->{numbername}{$amount}.$appendn;
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}
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pop @numblock;
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}
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join '', @textnumber;
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}
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sub format_ten {
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my ($self, $amount, $belowhundred) = @_;
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my $textnumber = "";
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my @num = split //, $amount;
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if ($amount > 20) {
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if ($num[1] == 0) {
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$textnumber = $self->{numbername}{$amount};
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} else {
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if ($belowhundred) {
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$amount = $num[0] * 10;
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$textnumber = $self->{numbername}{$num[1]}.'und'.$self->{numbername}{$amount};
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} else {
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$amount = $num[0] * 10;
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$textnumber = $self->{numbername}{$amount}.$self->{numbername}{$num[1]};
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$textnumber .= 's' if ($num[1] == 1);
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}
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}
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} else {
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$textnumber = $self->{numbername}{$amount};
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}
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$textnumber;
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}
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1;
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