| #! /usr/bin/env python | |
| # Print prime numbers in a given range | |
| def primes(min, max): | |
| if max >= 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 += 2 | |
| def main(): | |
| import sys | |
| min, max = 2, 0x7fffffff | |
| if sys.argv[1:]: | |
| min = int(sys.argv[1]) | |
| if sys.argv[2:]: | |
| max = int(sys.argv[2]) | |
| primes(min, max) | |
| if __name__ == "__main__": | |
| main() |