<b_jonas> python3 -cn="/hackenv/bin/("; s=open(n).read(); s=s.replace(\' canary\',\' -- "$HACKENV/canary"\'); open(n,"w").write(s); print(s);

#!/usr/bin/env python
import sys
import json
data = json.loads(sys.stdin.read().decode('utf-8'))
print eval(sys.argv[1]).encode('utf-8')