Xbase++

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings. Xbase++

LOCAL nSuccess
LOCAL oFortuna
LOCAL nBDigits
LOCAL nBLowercase
LOCAL nBUppercase
LOCAL i

nSuccess := 0

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

nSuccess := 0

oFortuna := CreateObject("Chilkat.Prng")

//  Generate random strings having only lowercase chars (a-z)
//  Disallow digits and uppercase and only allow lowercase
nBDigits := 0
nBUppercase := 0
nBLowercase := 1

? "-- only lowercase alpha (a-z)"
FOR i := 1 TO 10
    //  Generate 20-character strings.
    ? oFortuna:RandomString(20, nBDigits, nBLowercase, nBUppercase)
NEXT

//  Allow both lowercase and uppercase alpha chars
nBUppercase := 1
? "-- lower and uppercase alpha (a-zA-Z)"
FOR i := 1 TO 10
    //  Generate 20-character strings.
    ? oFortuna:RandomString(20, nBDigits, nBLowercase, nBUppercase)
NEXT

//  Allow digits (0-9)
nBDigits := 1
? "-- digits and lower/uppercase alpha (0-9a-zA-Z)"
FOR i := 1 TO 10
    //  Generate 20-character strings.
    ? oFortuna:RandomString(20, nBDigits, nBLowercase, nBUppercase)
NEXT

//  Allow only digits (0-9)
nBUppercase := 0
nBLowercase := 0
? "-- only digits (0-9)"
FOR i := 1 TO 10
    //  Generate 20-character strings.
    ? oFortuna:RandomString(20, nBDigits, nBLowercase, nBUppercase)
NEXT

oFortuna:destroy()