#!/usr/bin/env python

import sys, os.path, re, urllib

if len(sys.argv) < 2:
  sys.exit('https://hack.esolangs.org/edit/')

f = os.path.realpath(sys.argv[1])
f = re.sub(r"^/+hackenv/", "", f)
if re.match(r"/|\.hg(?:/|ignore$|$)",f):
  sys.exit("File is not editable.")
print 'https://hack.esolangs.org/edit/' + urllib.quote(f)