sub do_sth 
{ 
	my $db_query_counter = 0; ### necessary to differenciate between the first part of the sql query and every following OR
	my @missing_query_part = ();
	
        foreach my $string (@_) 
	{ 
		# print "\n"; 
		# print "(foreach) sub input: ${string}"; 
		chomp(${string});
		${string}=~ s/\"//g;  # Removes all 
		my @values = split(/\s*,\s*/, ${string});
		push our @chunk_data_array, [@values]; ## [] referenz 
### (.....)

}