(PureBasic) Generating Random ASCII Strings

Demonstrates how to generate random us-ascii strings.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkPrng.pb"
IncludeFile "CkGlobal.pb"

Procedure ChilkatExample()

    ; All Chilkat classes can be unlocked at once at the beginning of a program
    ; by calling UnlockBundle.  It requires a Bundle unlock code.
    chilkatGlob.i = CkGlobal::ckCreate()
    If chilkatGlob.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success.i = CkGlobal::ckUnlockBundle(chilkatGlob,"Anything for 30-day trial.")
    If success <> 1
        Debug CkGlobal::ckLastErrorText(chilkatGlob)
        CkGlobal::ckDispose(chilkatGlob)
        ProcedureReturn
    EndIf

    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


    CkGlobal::ckDispose(chilkatGlob)
    CkPrng::ckDispose(fortuna)


    ProcedureReturn
EndProcedure