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read from file C++ simple example

Fatima Hashem answered on January 10, 2022 Popularity 5/10 Helpfulness 4/10

answer read from file C++ simple example

related c++ how to read from a file

read from file C++ simple example

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#include <iostream>
#include <fstream>
using namespace std;
int main() {
    ifstream inputFile("example.txt"); // Open the file for reading

    if (!inputFile) {
        cout << "Failed to open the file." << std::endl;
        return 1;
    }

    string line;
    while (getline(inputFile, line)) {
        cout << line << std::endl; // Print each line of the file
    }

    inputFile.close(); // Close the file

    return 0;
}

Popularity 5/10 Helpfulness 4/10 Language cpp

Source: chat.openai.com

Tags: c++ file

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Contributed on Jul 06 2023

Fatima Hashem

0 Answers Avg Quality 2/10

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c++ how to read from a file

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#include <fstream>
#include <iostream>

using namespace std;

int main() {
    /* You create a stream using the file in a 
     * similar way to how we use other streams.
     */
    ifstream in;
    // Open the file
    in.open("names.txt");
    if(in.fail())
        cout << "File didn't open"<<endl;

    int count = 0;
    string line;
    while (true) {
        /* Get line will work as long as there is
         * a line left. Once there are no lines 
         * remaining it will fail. 
		 */
        getline(in, line);  
        if (in.fail()) break;
        
        /* Process the line here. In this case you are
         * just counting the lines.
         */
        count ++;
    }
    
    cout << "This file has " << count << " lines." << endl;
    return 0;
}

Popularity 10/10 Helpfulness 4/10 Language cpp

Source: Grepper

Tags: c++

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Contributed on Jan 10 2022

Foolish Fish

0 Answers Avg Quality 2/10

read from file C++ simple example

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read from file C++ simple example

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