Deleting a record from text file - c++

Question

I have got an assignment project to make a program using C++ which maintains a list of Students (their name, age, and GPA) in a text file. The program has the following functionality:
Insertion of record
Deletion of record
Searching of record
Updating a record
When deleting a record my code takes a string name as input and removes it from the text file. However the next two lines in the file (age & gpa for that student) are left. How do I remove those too?
Following is the code for my program.
#include <iostream>
#include <fstream>
using namespace std;
void writing();
void deleting();
void searching();
class student {
public:
int age = 0;
string name;
void SetGpa(float x)
{
gpa = x;
}
float GetGpa()
{
return gpa;
}
private:
float gpa = 0.0;
};
int main()
{
int opt;
cout << "Please Enter an option number to continue:\n ";
cout << "\nPress 1 for New Record insertion";
cout << "\nPress 2 for Record Deletion";
cout << "\nPress 3 for Searching a Record";
cout << "\nPress 4 for Updating a Record";
cout << "\nEnter option Number: ";
cin >> opt;
switch (opt)
{
case 1:
{
writing();
break;
}
case 2:
{
deleting();
break;
}
case 3:
{
searching();
break;
}
case 4:
{
deleting();
writing();
cout << "Record has been updated! ";
break;
}
}
}
void writing()
{
float a;
student moiz;
cout << "Please enter name of student: ";
cin >> moiz.name;
cout << "Please enter the age of student: ";
cin >> moiz.age;
cout << "Pleae enter the Gpa of student: ";
cin >> a;
moiz.SetGpa(a);
ofstream myfile;
myfile.open("record.txt", ios::app | ios::out);
myfile << endl << moiz.name << endl;
myfile << moiz.age << endl;
myfile << moiz.GetGpa();
myfile.close();
}
void deleting()
{
string line, name;
cout << "Please Enter the name of record you want to delete: ";
cin >> name;
ifstream myfile;
ofstream temp;
myfile.open("record.txt");
temp.open("temp.txt");
while (getline(myfile, line))
{
if (line != name)
temp << line << endl;
}
cout << "The record with the name " << name << " has been deleted if it exsisted" << endl;
myfile.close();
temp.close();
remove("record.txt");
rename("temp.txt", "record.txt");
}
void searching()
{
ifstream fileInput;
fileInput.open("record.txt");
string line, search;
cout << "Please enter the term to search: ";
cin >> search;
for (unsigned int curLine = 0; getline(fileInput, line); curLine++)
{
if (line.find(search) != string::npos)
{
cout << "found: " << search << " on line: " << curLine << endl;
}
else
{
cout << "Error! Not found on Line" << curLine << endl;
}
}
}

Answer 1

You can add an else clause to your statement checking the name, and introduce a counter of how many of the following lines should be skipped after name was found:
int skip = 0;
while (getline(myfile, line)) {
if ((line != name) && !(skip > 0)) {
temp << line << endl;
}
else {
if(skip == 0) {
skip = 2; // Skip the next two lines also
}
else {
--skip;
}
}
}