PureBasic

Generating Random ASCII Strings

See more PRNG Examples

Demonstrates how to generate random us-ascii strings. PureBasic

IncludeFile "CkPrng.pb"

Procedure ChilkatExample()

    success.i = 0

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

    success = 0

    fortuna.i = CkPrng::ckCreate()
    If fortuna.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    bDigits.i
    bLowercase.i
    bUppercase.i

    ; Generate random strings having only lowercase chars (a-z)
    ; Disallow digits and uppercase and only allow lowercase
    bDigits = 0
    bUppercase = 0
    bLowercase = 1

    i.i

    Debug "-- only lowercase alpha (a-z)"
    For i = 1 To 10
        ; Generate 20-character strings.
        Debug CkPrng::ckRandomString(fortuna,20,bDigits,bLowercase,bUppercase)
    Next

    ; Allow both lowercase and uppercase alpha chars
    bUppercase = 1
    Debug "-- lower and uppercase alpha (a-zA-Z)"
    For i = 1 To 10
        ; Generate 20-character strings.
        Debug CkPrng::ckRandomString(fortuna,20,bDigits,bLowercase,bUppercase)
    Next

    ; Allow digits (0-9)
    bDigits = 1
    Debug "-- digits and lower/uppercase alpha (0-9a-zA-Z)"
    For i = 1 To 10
        ; Generate 20-character strings.
        Debug CkPrng::ckRandomString(fortuna,20,bDigits,bLowercase,bUppercase)
    Next

    ; Allow only digits (0-9)
    bUppercase = 0
    bLowercase = 0
    Debug "-- only digits (0-9)"
    For i = 1 To 10
        ; Generate 20-character strings.
        Debug CkPrng::ckRandomString(fortuna,20,bDigits,bLowercase,bUppercase)
    Next


    CkPrng::ckDispose(fortuna)


    ProcedureReturn
EndProcedure