import os
import sys
from primes import historic

def create_primes():
    primes = historic(end=1000000)
    f = open("primes_1000000.txt", "w")
    for p in primes:
        f.write(str(p) + "\n")
    f.close()
    print "Done"

def main():
    pass

if __name__ == "__main__":
    if not os.path.exists("primes_1000000.txt"):
        print "Need to recreate primes file primes_1000000.txt"
        create_primes()
    sys.exit(main())