#include<iostream>
#include<fstream.h>
#include<string>
#include<istream.h>
#include<conio.h>
#include <stdio.h>
using namespace std;
 
class CD_data_search
{
	public:
		void find_file(int search_option,string search_string);
};
void CD_data_search::find_file(int search_option,string search_string)
{
	string s;
	char p;
	int find_count=0,find_spport=0, loop_count=0,searchVar_temp;
	long pntr_postg=0,pntr_postp=0;
	searchVar_temp = search_option;
	search_option--;//To appropriately choose the correct field.
	fstream RW_myfile("CD Details",ios::in | ios::out);
	if (RW_myfile.is_open())
	{
		while (getline(RW_myfile,s))
		{
			pntr_postg=RW_myfile.tellg();
			pntr_postp=RW_myfile.tellp();
			cout<<"pntr_post_G:"<<pntr_postg<<"\n";
			cout<<"pntr_post_P:"<<pntr_postp<<"\n";
			RW_myfile.seekp(pntr_postg, ios::beg);
			pntr_postp=RW_myfile.tellp();
			RW_myfile << "TEST";
		}//end of while loop to read the file line by line
 
	}//End of IF loop opening the file
	else
	{
		cout<<"error in opening file";
	}
	RW_myfile.close();
	cout<<"\n"<<"Exit Search Mode\n";
 
}//End of find_file(int , string)
int main()
{
	int a=0;
	string f;
	cout<<"enter choose ID:-\t";
	cin>>a;
	cout<<"Enter string:-\t";
	cin>>f;
	cin.get();
	CD_data_search *search_D;
	search_D= new CD_data_search;
	search_D->find_file(a,f);
	return 0;
}