#!/usr/bin/env python
print('Content-type: text/html\n')
from os.path import join, abspath
import cgi, sys
BASE_DIR = abspath('data')
form = cgi.FieldStorage()
filename = form.getvalue('filename')
if not filename:
print('Please enter a file name')
sys.exit()
text = open(join(BASE_DIR, filename)).read()
print("""
Editing...
""".format(filename, filename, text))