#!/usr/bin/python

import sys, getopt

#--------------------------------------
# default values
#--------------------------------------
verbose = "false"filename= ""
size = "small"

#--------------------------------------
# display usage
#--------------------------------------
def usage():
    print "Usage: getopt_ex.py [OPTION] FILENAME "
    print "    -h, --help       :  Help "
    print "    -v, --verbose    :  Verbose "
    print "    -s, --size=SIZE  :  Option with value "
    sys.exit()

# setup arguements passed to getopt
try:
    opts, args =getopt.getopt(sys.argv[1:], "hvs:", ["help","verbose", "size="])
except getopt.error:sys.exit(1)

#--------------------------------------
# set arguments
#--------------------------------------
for opt, arg in opts:
    if opt in ("-h", "--help"):usage()
    elif opt in ("-v", "--verbose"):verbose= "true"
    elif opt in ("-s", "--size"):size= arg

if (len(args)!= 1):
    usage()	
else:
    filename = args[0]

print "Options:"
print "    Verbose : ", verbose
print "    Size    : ", size
print "    Filename: ", filename