### Re: number 2 text

by PetaMem (Priest)
 on May 12, 2002 at 20:54 UTC ( #166032=note: print w/replies, xml ) Need Help??

in reply to number 2 text

Hi,

(Now I call *this* node archaeology)

this is for german, very dumb. But a nice recursive aproach, suitable for numbers up to 999 999 999 with nice german grammar. Easily extendable.

```sub de_number {
my \$positive = shift;
my \$out;

my @tokens1 = qw(null ein zwei drei vier fünf sechs sieben acht ne
+un zehn elf zwölf);
my @tokens2 = qw(zwanzig dreissig vierzig fünfzig sechzig siebzig
+achtzig neunzig hundert);
#    my @tokens3 = qw(million milliarde billion billiarde); # Not need
+ed now

if(\$positive >= 0 && \$positive <= 12) {
\$out = \$tokens1[\$positive];
} elsif(\$positive >= 13 && \$positive <= 19) {
\$out = \$tokens1[\$positive-10].'zehn';
} elsif(\$positive >= 20 && \$positive <= 100) {
my \$one_idx = int \$positive/10-2;
my \$ten_idx = \$positive-(\$one_idx+2)*10;

\$out = \$tokens1[\$ten_idx].'und' if \$ten_idx;
\$out .= \$tokens2[\$one_idx];
} elsif(\$positive >= 101 && \$positive <= 999) {
my \$one_idx = int \$positive/100;

\$out = \$tokens1[\$one_idx].'hundert'.&de_number(\$positive-\$one_idx*
+100);
} elsif(\$positive >= 1000 && \$positive <= 999999) {
my \$one_idx = int \$positive/1000;
my \$tausend = \$positive-\$one_idx*1000;
my \$nonull = \$tausend ? &de_number(\$tausend) : '';

\$out = &de_number(\$one_idx).'tausend'.\$nonull;
} elsif(\$positive >= 1000000 && \$positive <= 999999999) {
my \$one_idx = int \$positive/1000000;
my \$mio     = \$positive-\$one_idx*1000000;
my \$nonull  = \$mio ? ' '.&de_number(\$mio) : '';
my \$one     = \$one_idx == 1 ? 'e' : '';

\$out = &de_number(\$one_idx).\$one.' million';
\$out .= 'en' if \$one_idx > 1;
\$out .= \$nonull;
}

return \$out;

}

Bye
PetaMem

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