Chris Leary's benchmark in Racket

ints.py

import random
import sys

def main():
    if len(sys.argv) != 2:
        print >> sys.stderr, "Usage: %s <elem_count>" % sys.argv[0]
        exit(-1)

    count = int(sys.argv[1])
    random.seed()

    with open('vec_gen.out', 'w') as file:
        for i in xrange(count):
            r = random.getrandbits(31)
            file.write('%d\n' % r)

if __name__ == '__main__':
    main()

ints.rkt

#lang racket/base
;; see http://blog.cdleary.com/2012/06/simple-selfish-and-unscientific-shootout/ for source
(require racket/cmdline)

(define MAXINT 2147483647)

(define (go n)
  (call-with-output-file "vec-gen.out" #:exists 'replace
    (λ (o)
      (for ([i (in-range n)])
        (write (random MAXINT) o) (newline o)))))

(module+ main (command-line #:args (n) (go n)))