Cats a file to a tcp endpoint line by line using streams and zeromq

cat_file_to_tcp_endpoint

#!/usr/local/bin
import zmq
import io
import time
import sys
import re

# reads line by line a file and sends it
# to a tcp endpoint using zeromq
# handy to cat big files to a listener

context = zmq.Context()
socket = context.socket(zmq.PUB)
socket.bind("tcp://127.0.0.1:8473")

fileName = sys.argv[1]

with io.open(fileName, 'r') as file:
    l  = file.readline()
    while True and l !='':
        l1 = l.replace('"','')
        l2 = re.sub(r'\\t',' ', l1)
        l3 = re.sub(r'\\n', '', l2)
        time.sleep(0.01)
        #print l3.rstrip('\n')
        socket.send_unicode(l3.rstrip('\n'))
        l = file.readline()