#!/usr/bin/env python import re, sys, subprocess result = subprocess.Popen([sys.argv[2], sys.argv[1], '-o', 'null'], stdout=subprocess.PIPE, stderr=subprocess.PIPE).communicate()[1] result = re.sub(r'-?[0-9].[0-9]*e-[0-9]{2,}', '0', result) open(sys.argv[3], 'w').write(result)