C++

Generating Random ASCII Strings

See more PRNG Examples

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

#include <CkPrng.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    success = false;

    CkPrng fortuna;

    bool bDigits;
    bool bLowercase;
    bool bUppercase;

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

    int i;

    std::cout << "-- only lowercase alpha (a-z)" << "\r\n";
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        std::cout << fortuna.randomString(20,bDigits,bLowercase,bUppercase) << "\r\n";
    }

    // Allow both lowercase and uppercase alpha chars
    bUppercase = true;
    std::cout << "-- lower and uppercase alpha (a-zA-Z)" << "\r\n";
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        std::cout << fortuna.randomString(20,bDigits,bLowercase,bUppercase) << "\r\n";
    }

    // Allow digits (0-9)
    bDigits = true;
    std::cout << "-- digits and lower/uppercase alpha (0-9a-zA-Z)" << "\r\n";
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        std::cout << fortuna.randomString(20,bDigits,bLowercase,bUppercase) << "\r\n";
    }

    // Allow only digits (0-9)
    bUppercase = false;
    bLowercase = false;
    std::cout << "-- only digits (0-9)" << "\r\n";
    for (i = 1; i <= 10; i++) {
        // Generate 20-character strings.
        std::cout << fortuna.randomString(20,bDigits,bLowercase,bUppercase) << "\r\n";
    }
    }