bash-is-fun.sh

#!/usr/bin/env bash

WD=`pwd`
tiger_em () {
  directory=$WD/$1
  shift
  until [ -z "$1" ] 
  do
    get_em $directory "ftp://ftp2.census.gov/geo/tiger/TIGER2010/"$1
    shift
  done
}

get_em () {
  echo "Getting" $1 $2
  wget -r -nH -c -nd -P $1 $2
  unzip_em $1
}

unzip_em () {
  cd $1
  unzip -o "*.zip"
  cd $WD
}

tiger_em "shapes/districts"     "CD/108/tl_2010_us*"                  "CD/111/tl_2010_us*"
tiger_em "shapes/states"        "STATE/2000/tl_2010_us*"              "STATE/2010/tl_2010_us*"
tiger_em "shapes/counties"      "COUNTY/2000/tl_2010_us*"             "COUNTY/2010/tl_2010_us*"