要使用c++将文件中的某个单词替换为其他单词

std::ifstream inputFile("input.txt");
std::ofstream outputFile("output.txt");

std::string line;
while (std::getline(inputFile, line)) {
    // 处理每一行的替换操作
}

std::string targetWord = "old_word";
std::string replacementWord = "new_word";

size_t pos = line.find(targetWord);
while (pos != std::string::npos) {
    line.replace(pos, targetWord.length(), replacementWord);
    pos = line.find(targetWord, pos + replacementWord.length());
}

outputFile << line << std::endl;

inputFile.close();
outputFile.close();