#! /usr/bin/env python | |
# Print prime numbers in a given range | |
def main(): | |
import sys | |
min, max = 2, 0x7fffffff | |
if sys.argv[1:]: | |
min = int(eval(sys.argv[1])) | |
if sys.argv[2:]: | |
max = int(eval(sys.argv[2])) | |
primes(min, max) | |
def primes(min, max): | |
if 2 >= min: print 2 | |
primes = [2] | |
i = 3 | |
while i <= max: | |
for p in primes: | |
if i%p == 0 or p*p > i: break | |
if i%p != 0: | |
primes.append(i) | |
if i >= min: print i | |
i = i+2 | |
if __name__ == "__main__": | |
main() |