"""
ftp_url.py - RJM Programming - November 2017
Show some ftp functionality ... thanks to Python & XML by O'Reilly ISBN: 0-596-00128-2
"""
import sys

from urllib import urlopen

def main(argv):

 if len(sys.argv) == 5:
  fd=urlopen("ftp://" + sys.argv[2] + ":" + sys.argv[3] + "@" + sys.argv[1] + sys.argv[4])
 else:
  if len(sys.argv) == 4:
   fd=urlopen("ftp://" + sys.argv[2] + ":" + sys.argv[3] + "@" + sys.argv[1])
  else:
   if len(sys.argv) == 3:
    fd=urlopen("ftp://mkuulma@ozemail.com.au:" + sys.argv[1] + "@ftp.ozemail.com.au" + sys.argv[2])
   else:
    if len(sys.argv) == 2:
     fd=urlopen("ftp://mkuulma@ozemail.com.au:" + sys.argv[1] + "@ftp.ozemail.com.au")
    else:
     print "Usage is via ... python ftp_url.py [ftphost=ftp.ozemail.com.au] [ftpusername=mkuulma@ozemail.com.au] ftppassword [subpath=/]"
     exit()
    
 print fd.read()
 exit()
 
if __name__ == "__main__":
   main(sys.argv[1:])