通过输入一个单词从c++文件中删除一行

#include <iostream>
#include <fstream>
#include <string>

using namespace std;

void deleteLineWithWord(const string& filename, const string& word) {
    ifstream inputFile(filename);
    ofstream tempFile("temp.txt"); // 创建一个临时文件用于存储删除目标行后的内容

    string line;
    while (getline(inputFile, line)) {
        if (line.find(word) == string::npos) {
            tempFile << line << endl; // 将非目标行写入临时文件
        }
    }

    inputFile.close();
    tempFile.close();

    remove(filename.c_str()); // 删除原文件
    rename("temp.txt", filename.c_str()); // 将临时文件重命名为原文件名
}

int main() {
    string filename = "example.cpp";
    string word = "delete";

    deleteLineWithWord(filename, word);

    cout << "Deleted lines containing the word \"" << word << "\" from the file \"" << filename << "\"." << endl;

    return 0;
}