use utf8;
use warnings; no warnings "redefine";
use strict;
use Loader qw(line_in log_update);
use Fehler qw(problem);
use Dbase::Help qw(Do DoFn);
use Dbase::Globals qw(content rund);

sub set_recheinheit_faktor($;$) {
	my($id,$kn) = @_;

	content ( my $faktor = line_in "Faktor: " ) or return;
	return problem "'$faktor' ist keine Zahl" unless $faktor =~ /^\d+(?:[,\.]\d+)?$/;
	$faktor =~ s/,/./; $faktor = rund($faktor*1000);
	return $faktor unless defined $id;
	
	log_update("recheinheit","id",$id,undef,"faktor",undef,
		sprintf("%3f",DoFn("select faktor from recheinheit where id=$id")/1000+0.5));
	Do("update recheinheit set faktor=$faktor where id=$id");
}
1;
