19/04

#include <iostream>
using namespace std;
#include <fstream>
#include <string>
//1-ФИО, 2-телефон, 3-должность, 4-IP-адрес

struct item
{
	string SNP;
	string tel;
	string position;
	string IP;
};

void show(item** arr) {
	int size = _msize(arr) / sizeof(arr[0]);
	for (int i = 0; i < size; i++) {
		cout << arr[i]->SNP << " "<<arr[i]->tel <<" "<< arr[i]->position<<" "<< arr[i]->IP<<endl;
	}
}

void add(item** &arr,string SNP,string tel,string position, string IP,bool file=1) {
	if (file == 0) {
		int size = _msize(arr) / sizeof(arr[0]);
		item** temp = new item * [size + 1];
		for (int i = 0; i < size; i++) {
			temp[i] = arr[i];
		}
		temp[size] = new item;
		temp[size]->SNP = SNP;
		temp[size]->tel = tel;
		temp[size]->position = position;
		temp[size]->IP = IP;
		swap(temp, arr);
		delete[]temp;
	}
	else if (file == 1) {
		ofstream out("E:\\hello.txt", std::ios::app);
		if (out.is_open())
		{
			out << SNP << " " << tel << " " << position << " " << IP << endl;
		}
		out.close();
	}
}

void read() {
	string line;
	ifstream in("E:\\hello.txt");
	if (in.is_open())
	{
		while (getline(in, line))
		{
			cout << line << std::endl;
		}
	}
	in.close();     // закрываем файл
}

void del(int N) {
	int counter = 0;
	string line,temp;
	ifstream in("E:\\hello.txt");
	if (in.is_open())
	{
		while (getline(in, line)) {
			cout << line;
			counter++;
			if (counter != N) {
				temp+=line;
				temp += "\n";
				cout <<endl<< temp;
			}
		}
	}
	in.close();
	cout << temp;// закрываем файл

	ofstream out;
	out.open("E:\\hello.txt",std::ios::out);
	if (out.is_open())
	{
		out << temp;
	}
	out.close();
}

void save(item** base) {
	ofstream out;
	out.open("E:\\hello.txt");
	if (out.is_open())
	{
		int size = _msize(base) / sizeof(base[0]);
		for (int i = 0; i < size; i++) {
			out << base[i]->SNP << " " << base[i]->tel << " " << base[i]->position << " " << base[i]->IP << endl;
		}
	}
	out.close();
}

int main()
{
	item** base = new item * [0];
	add(base, "Anderson Thomas Petrovich", "8(928)1747295", "owner", "192.168.0.1");
	add(base, "Jobson Stanley Gurgenovich", "8(951)5182436", "worker", "192.168.0.254");
	add(base, "Romero John Doomovich", "8(951)5185465", "worker", "192.168.0.255");
	read();
	del(1);
}