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C++ program to open a file in binary mode and then get data in that file

YASH PAL, 31 July 202422 August 2024

In this post we will write a C++ program to open a file in binary mode & then get data in that file. user will enter the name of file and program will print the data of that file.

C++ program to open a file in binary mode and then get data in that file

C++ program to open a file in binary mode & then get data in that file.

#include<iostream>
#include<conio.h>
#include<fstream>
#include<process.h>

using namespace std;

class rec
{
    private:
        int roll;
        int long phon;
        char name[100];
    public:
        dis()
        {
            std::cout<<name<<"t"<<roll<<"t"<<phon<<std::endl;
        }
};

int main()
{
    system("cls");

    char na[100];
    rec r;

    std::cout<<"Enter the file name = ";
    std::cin>>na;

    ifstream sec(na,ios::binary);

    if(!sec)
    {
        std::cout<<"File opening error"<<std::endl;

        getch();
        exit(0);
    }

    sec.read((char *)&r, sizeof(r));

    while(sec)
    {
        r.dis();
        sec.read((char *)&r, sizeof(r));
    }

    getch();
    return 0;
}

Output

Enter the file name = temp.bin
ABC     1   12345
XYZ     2   54321
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