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toDoList.cpp
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toDoList.cpp
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#include <iostream>
#include <fstream>
#include<string>
#include <cstdlib>
using namespace std;
int ID;
struct todo {
int id;
string task;
};
void addtodo() {
todo todo;
cout << "\n\tEnter new task: ";
cin.get();
getline(cin, todo.task);
ID++;
ofstream write;
write.open("todo.txt", ios::app);
write << "\n" << ID;
write << "\n" << todo.task ;
write.close();
write.open("id.txt");
write << ID;
write.close();
cout << "\n\tTask has been added successfully";
return;
}
void print(todo s) {
cout << "\n\tID is : " << s.id;
cout << "\n\tTask is : " << s.task;
}
void readData() {
todo todo;
ifstream read;
read.open("todo.txt");
cout << "\n\tYour current Tasks in the list";
while (!read.eof()) {
read >> todo.id;
read.ignore();
getline(read, todo.task);
print(todo);
}
read.close();
}
int searchData() {
int id;
cout << "\n\tEnter task id: ";
cin >> id;
todo todo;
ifstream read;
read.open("todo.txt");
while (!read.eof()) {
read >> todo.id;
read.ignore();
getline(read, todo.task);
if (todo.id == id) {
print(todo);
return id;
}
}
}
void deleteData() {
int id = searchData();
cout << "\n\tDo you want to delete this task (y/n) : ";
char choice;
cin >> choice;
if (choice == 'y') {
todo todo;
ofstream tempFile;
tempFile.open("temp.txt");
ifstream read;
read.open("todo.txt");
while (!read.eof()) {
read >> todo.id;
read.ignore();
getline(read, todo.task);
if (todo.id != id) {
tempFile << "\n" << todo.id;
tempFile << "\n" << todo.task;
}
}
read.close();
tempFile.close();
remove("todo.txt");
rename("temp.txt", "todo.txt");
cout << "\n\tTask deleted successfuly";
}
else {
cout << "\n\tRecord not deleted";
}
}
int main()
{
ifstream read;
read.open("id.txt");
if (!read.fail()) {
read >> ID;
}
else {
ID = 0;
}
read.close();
while (true) {
cout<<endl;
cout << "\n\t1.Add Task";
cout << "\n\t2.Display Task";
cout << "\n\t3.Search Task";
cout << "\n\t4.Delete Task";
int choice;
cout << "\n\n\tEnter choice : ";
cin >> choice;
switch (choice) {
case 1:
addtodo();
break;
case 2:
readData();
break;
case 3:
searchData();
break;
case 4:
deleteData();
break;
default:
cout<<"enter correct option";
break;
}
}
}