txt file cleaner to remove all empty lines

cleaner.py

#! /usr/bin/env python2.7

import glob

counter = 0
cache = []


# Get rid of empty lines
def cleanemptylines(filename):
    print "Now cleaning the text file for whitespaces"
    print "Current file is %s " % (filename)
    # Get file contents
    fd = open(filename)
    contents = fd.readlines()
    fd.close()

    new_contents = []

    for line in contents:
        # Strip whitespace, should leave nothing if empty line was just "\n"
        if not line.strip():
            continue
    # We got something, save it
        else:
            new_contents.append(line)

# make new file without empty lines

    fd = open(filename, "w")

    fd.write("".join(new_contents))
    print "succesfully done"
    fd.close()

    print "Cleaning Complete"

#this line will gather all the txt files in the directory, might need some tweaking to work in your environment.
txt_file_list = glob.glob("*.txt")



#this will clean all the txt files in the current directory.
#By cleaning I mean removing all the spaces and unsupported symbols.
for i in txt_file_list:
    cleanemptylines(i)