#!/usr/bin/env python

import argparse

import glob

import itertools

import json

import math

import os

import random

import re

import shutil

import sys

parser = argparse.ArgumentParser()

parser.add_argument('evaluation', nargs='?', default='None')

parser.add_argument('-c', '--cmd')

parser.add_argument('--ji' '--json_in',

dest='json_input', action='store_const',

const=True, default=False)

parser.add_argument('--jo' '--json_out',

dest='json_output', action='store_const',

const=True, default=False)

parser.add_argument('-x' '--line_by_line',

dest='line_by_line', action='store_const',

const=True, default=False,

help='sum the integers (default: find the max)')

parser.add_argument('-sv' '--split_values',

dest='split_values',

default=False,

help='sum the integers (default: find the max)')

parser.add_argument('-l', '--list_of_stdin',

dest='list_of_stdin', action='store_const',

const=True, default=False)

parser.add_argument('-fx', '--filter',

dest='filter_result', action='store_const',

const=True, default=False)

parser.add_argument('--i', '--ignore_exceptions',

dest='ignore_exceptions', action='store_const',

const=True, default=False)

args = parser.parse_args()

if args.json_input:

stdin = (json.loads(x.rstrip()) for x in sys.stdin)

else:

stdin = (x.rstrip() for x in sys.stdin)

if args.evaluation:

args.evaluation = args.evaluation.replace("`", "'")

if args.cmd:

args.cmd = args.cmd.replace("`", "'")

if args.cmd:

exec(args.cmd)

if args.line_by_line:

if args.ignore_exceptions:

def safe_eval(text, x):

try:

return eval(text)

except:

return None

result = (safe_eval(args.evaluation, x) for x in stdin)

else:

result = (eval(args.evaluation) for x in stdin)

elif args.list_of_stdin:

l = list(stdin)

result = eval(args.evaluation)

elif args.filter_result:

result = (x for x in stdin if eval(args.evaluation))

elif args.split_values:

result = (eval(args.evaluation) for sv in

(re.split(args.split_values, x) for x in stdin))

else:

result = eval(args.evaluation)

if hasattr(result, '__iter__'):

for x in result:

if x is not None:

if args.json_output:

print json.dumps(x)

else:

print x

elif result is not None:

if args.json_output:

print json.dumps(result)

else:

print result