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// ifstream::is_open
#include <iostream> // std::cout
#include <fstream> // std::ifstream
int main () {
std::ifstream ifs ("test.txt");
if (ifs.is_open()) {
// print file:
char c = ifs.get();
while (ifs.good()) {
std::cout << c;
c = ifs.get();
}
}
else {
// show message:
std::cout << "Error opening file";
}
return 0;
}
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