fixNginxRedirects

#!/usr/bin/python
# Copyright 2014 Dr Paul Brewer
# This python file is licensed to the public under the terms of the MIT License
# -----
# When redirecting from name.com to www.name.com or from www.name.com to name.com
# it is easy to write the NGINX response incorrectly as 
# return 301 http://name.com/$request_uri
# when it should be
# return 301 http://name.com$request_uri
# For more info see http://stackoverflow.com/a/7958540/103081
# The below code automated fixing this for some sites I own
import os
def fix(fname):
    outfile = open(fname+".fixed","w")
    with open(fname,"r") as infile:
        for inline in infile:
            outline = ''
            if inline.find(r'return 301')>=0:
                outline = inline.replace(r'.com/$request',r'.com$request')
            else:
                outline = inline
            outfile.write(outline)
    outfile.close()
    os.rename(fname+".fixed",fname)

fnames = os.listdir(".")
for fname in fnames:
    if fname.find(".git")==-1:
        fix(fname)