while( <> ){
  split;
  splice @_, 0, 2; #removes first two elements
  store_elements_function( @_ ); #sub to store the remainder
}  

##</code><code>##

my @std_keys = qw/proto .../;
my @ext_keys = qw/name9 name10 name11/;
..
#and in loop:
  my %hash;
  if( @_ < 9 ){
    @hash{@std_keys} = @_;
  } else {
    @hash{(@std_keys, @ext_keys)} = @_;
  }
  print "My proto is: ",$hash{'proto'},"\n";

...