test_random_string.cpp

#include <iostream>
#include <string>
#include <fstream>

#include "random_string.h"
#include "random_int.h"

int main(){
	// The random string generator
	rand_string a;
	// A random generator to decide when to duplicate the string
	rand_int b{0,100};
	const int DUP_PROB=30;
	// An output file
	std::ofstream f;

	std::string name;
	std::cout << " Enter the file name: ";
    std::cin>>name;
    f.open(name.c_str());
    if(!f) {
	std::cout <<"Error in opening file: " << name << std::endl;
	return 1;
	};
	std::cout << " File opened: " << name << std::endl;

    int maxs{500},duplicates{0};
    std::cout << " Enter the number of random string to be generated: ";
    std::cin>>maxs;
    for(int i=0; i<maxs; ++i) {
    	std::string t{a()};
    	f<<t <<'\n';
    	// Duplicate 30% of the strings
    	if(b()<=DUP_PROB) {
    		f<<t<<'\n';
    		++duplicates;
    	}
    }
    f.close();

    std::cout<< maxs <<" random strings generated and saved into file: " << name <<". " << duplicates << " duplicates generated." << std::endl;

	return 0;
}