#!/usr/bin/env python import re, sys, subprocess, os stlfile = sys.argv[3] + '.stl' subprocess.check_call([sys.argv[2], sys.argv[1], '-o', stlfile]) result = open(stlfile).read() os.unlink(stlfile) if 'nan' in result or 'inf' in result: sys.exit(1) open(sys.argv[3], 'w').write('') # this check only works on return values