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sub {
...
print Dumper($lat_1)."\n";
print Dumper($lon_1)."\n";
return -1 if (undef $lat_1 || undef $lon_1 || undef $lat_2 || undef $lon_2);
...
}
Quote$VAR1 = undef;
$VAR1 = undef;
return " " unless $coord_soll;
return "bla" if !defined($what) || '' eq $what;
return "bla" if !defined($what) || 0 == length($what);