PostgreSQL db backup and restore is easy

#!/bin/sh

case "$1" in
  b)
    pg_dump -F t -f "$3.tar" "$2"
  ;;
  r)
    pg_restore -c -F t -d "$2" "$3.tar" 2>/dev/null
  ;;
  *)
    echo "usage: pgbr {b|r} <db> <file>.tar"
    exit 1
  ;;
esac