jq.py

#!/usr/bin/env python

import sys
import json

obj=json.load(sys.stdin)

if ( len(sys.argv) > 0 ):
    for i in range(1,len(sys.argv)):
        levels=sys.argv[i].split('.')
        for j in range(0,len(levels)):
            if ( j == 0 ):
                newobj=obj
            if (levels[j]!=""):
                newobj=newobj[levels[j]]
        print newobj