Visual FoxPro

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings. Visual FoxPro

LOCAL lnSuccess
LOCAL loFortuna
LOCAL lnBDigits
LOCAL lnBLowercase
LOCAL lnBUppercase
LOCAL i

lnSuccess = 0

* This example assumes the Chilkat API to have been previously unlocked.
* See Global Unlock Sample for sample code.

lnSuccess = 0

loFortuna = CreateObject('Chilkat.Prng')

* Generate random strings having only lowercase chars (a-z)
* Disallow digits and uppercase and only allow lowercase
lnBDigits = 0
lnBUppercase = 0
lnBLowercase = 1

? "-- only lowercase alpha (a-z)"
FOR i = 1 TO 10
    * Generate 20-character strings.
    ? loFortuna.RandomString(20,lnBDigits,lnBLowercase,lnBUppercase)
NEXT

* Allow both lowercase and uppercase alpha chars
lnBUppercase = 1
? "-- lower and uppercase alpha (a-zA-Z)"
FOR i = 1 TO 10
    * Generate 20-character strings.
    ? loFortuna.RandomString(20,lnBDigits,lnBLowercase,lnBUppercase)
NEXT

* Allow digits (0-9)
lnBDigits = 1
? "-- digits and lower/uppercase alpha (0-9a-zA-Z)"
FOR i = 1 TO 10
    * Generate 20-character strings.
    ? loFortuna.RandomString(20,lnBDigits,lnBLowercase,lnBUppercase)
NEXT

* Allow only digits (0-9)
lnBUppercase = 0
lnBLowercase = 0
? "-- only digits (0-9)"
FOR i = 1 TO 10
    * Generate 20-character strings.
    ? loFortuna.RandomString(20,lnBDigits,lnBLowercase,lnBUppercase)
NEXT

RELEASE loFortuna