A sample user defined function for hive

parse_name.pl

while(<>) {
    chomp;
    
    # Input fields full_name, <more data>
    my ($full_name, @other_cols) = split(/\t/);
    
    my($first_name, $last_name) = _parse_name($full_name);
    
    print join("\t", $first_name, $last_name, @other_cols) . "\n";
}