#!/bin/bash

cat ../data/persons.csv | \
awk -F ',' '{
  print $6 ", " $2 " " $1;
}'  | \
sort | \
awk -F ',' '
{
  if ($1 == LastState) {
    print "\t" $2;
  } else {
    LastState = $1;
    print $1;
    print "\t" $2;
  }
}'