ref: fe31b4941d2b7a152a7b031cf6c2cf3cc3af19ec
dir: /sys/src/cmd/python/Demo/sockets/unixclient.py/
# Echo client demo using Unix sockets
# Piet van Oostrum
from socket import *
FILE = 'unix-socket'
s = socket(AF_UNIX, SOCK_STREAM)
s.connect(FILE)
s.send('Hello, world')
data = s.recv(1024)
s.close()
print 'Received', repr(data)