file handling
Pleas guide me about file handling.......
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#include <fstream>
// write data
std::ofstream output("test.txt");
out << "Number: " << 23 << '\n';
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// read data
std::string text;
int num;
std::ifstream input("test.txt");
input >> text >> num;
std::cout << text << ' ' << num; // output: Number: 23
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