countyincome07.csv <- [-timecheck]
  curl -O http://www.irs.gov/pub/irs-soi/countyincome07.csv

county_incomes.csv.header <- [-timecheck]
  echo "state_code,county_code,state,county,tax_returns,exemptions,adjusted_gross_income,wages_and_salaries_income,dividend_income,interest_income" > $OUTPUT

county_incomes.csv <- county_incomes.csv.header, countyincome07.csv
  cat $INPUT0 > $OUTPUT
  tail -n +2 $INPUT1 | grep -v '^$' | grep -v '"000"' >> $OUTPUT
