Search for FIPS codes and create files_list.txt files.

walk4counties.py

import os,sys
import re

counties = [x.strip() for x in open("/mnt/tiger/counties_fips_list.txt").readlines()]

for county in counties:
    of = open("/mnt/tiger/TIGER2011/wg_fips/tl_2011_{}/files_list.txt".format(county),"w")

    for threetuple in os.walk("/mnt/tiger/TIGER2011/"):
        for filename in threetuple[-1]:
            if county in os.path.join(threetuple[0],filename):
                of.write(os.path.join(threetuple[0],filename)+"\n")
    of.close()