c++ write to file

The Guy Who Reads The Docs answered on April 28, 2022 Popularity 10/10 Helpfulness 7/10

answer c++ write to file

c++ write to file

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#include <fstream>

int main()
{
    // ofstream = output file stream
    std::ofstream stream("example.txt"); // Open
    
    if (!stream)
        return 1; // Error while opening file!

    stream << "Some text here"; // Write
    return 0;
} // The file is automatically closed by the destructor.

Popularity 10/10 Helpfulness 7/10 Language cpp

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Tags: c++ file

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Contributed on Nov 24 2023

The Guy Who Reads The Docs

0 Answers Avg Quality 2/10

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read and write file in c++

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#include<iostream>
#include<fstream>

using namespace std;

int main()
{

    string fileName;
    int choice;
    cout << "Enter txt file name:\n";
    cin >> fileName;
    cout << "Enter number of command:\n";
    cout << "1. Write file\n";
    cout << "2. Read file\n";
    cin >> choice;

    if (choice == 1)
    {
            ofstream myfile;
            string text;
            myfile.open (fileName);
            cout << "Write text below: \n"; //file must have no text
            cin >> text;
            myfile << text;
            myfile.close();
    }else if (choice == 2)
    {
            ifstream file(fileName);
            string line;

            if (file.is_open())
            {
	            while (getline(file, line))
                {
        	       cout << line << endl;
                }
    }
    }
    return 0;
}

Popularity 10/10 Helpfulness 3/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Apr 28 2022

gocrazygh

0 Answers Avg Quality 2/10

c++ write to file

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c++ write to file

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read and write file in c++

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