Question

Following should be done in C++:

Create a program that reads a text file and prints out the contents of the file but with all letters converted to uppercase.

The name of the file to be read by the program will be provided by the user.

Here are some example session:

Contents of "data.txt":

Hello, World!

User input:

data.txt

Program output:

HELLO, WORLD!

Contents of "data.txt":

tHiS FiLe
HaS
mIxEd CaSeS

User input:

data.txt

Program output:

THIS FILE
HAS
MIXED CASES

Answer 1

CODE

==============

#include <iostream>

#include <cstring>

#include <fstream>

#include <algorithm>

using namespace std;

int main() {

ifstream inFile;

inFile.open("data.txt");

if (!inFile) {

cout << "Unable to open file";

return -1;

}

string line;

while (getline(inFile, line)) {

transform(line.begin(), line.end(), line.begin(), ::toupper);

cout << line << endl;

}

return 0;

}