#!/usr/local/bin/python
#
# function example by mind@metalshell.com
#
# here is an example on creating and using custom functions.
#
# 03/12/2002
#
# http://www.metalshell.com
#
 
# example of making a custom function using integers
# def func_name(string1, string2, ...)
# def func_name(integer1, integer2, ...)
# def func_name(string1, integer1, ...)
#
# bad example:
# def func_name(string1, integer1, integer2):
#   if len(string1) == 0:
#     return 1
#
#   if integer1 < integer2:
#     return 2
#
#
# if func_name(some_string, 3, some_string2) == 2:
#   do_whatever..
#
# obviously you cant pass a string to a function that thinks its an integer
# unless you change the string to an integer or the other way around in the
# function.
 
# define our integers
test1 = 10
test2 = 12
 
def add_two(num):
  num = num + 2
  return num
 
def sub_two(num):
  num = num - 2
  return num
 
def is_equal(str1, str2):
  if str1 == str2:
    return 1
  else:
    return 0
 
if is_equal(test1, test2) == 1:
  print test1, "equals", test2
else:
  print test1, "does not equal", test2
 
if add_two(test1) == test2:
  print test1, "+ 2 equals", test2
else:
  print test1, "+ 2 does not equal", test2
 
if sub_two(test1) == test2:
  print test1, "- 2 equals", test2
else:
  print test1, "- 2 does not equal", test2
 
if sub_two(test2) == test1:
  print test2, "- 2 equals", test1
else:
  print test2, "- 2 does not equal", test1
 
 
# ok you get the idea... you can also do the same thing with strings:
 
test3 = "This is a test string"
test4 = "This is a test string"
test5 = "string test a is This"
 
def match(str1, str2):
  if str1 == str2:
    return 1
  else:
    return 0
 
 
if match(test3, test4) == 1:
  print "\"", test3, "\"", "and", "\"", test4, "\"", "both match"
else:
  print "\"", test3, "\"", "and", "\"", test4, "\"", "do not match"
 
if match(test4, test5) == 1:
  print "\"", test4, "\"", "and", "\"", test5, "\"", "both match"
else:
  print "\"", test4, "\"", "and", "\"", test5, "\"", "do not match"
 
print "Example finished!"