fix text file encoding

fix_encoding.py

import chardet
import codecs
infile = 'unreadable.txt'
outfile = 'readable.txt'
with open(infile,'rb') as raw_file:
	result = chardet.detect(raw_file)
	char_enc = result['encoding']
with open(outfile, 'r', charenc):
	read_as_utf = f.read()
	out = codecs.open(outfile, 'w', 'utf-8')
	out.write(read_as_utf)