从文本文件中删除行的有效方法

with open("input.txt", "r") as file:
    lines = file.readlines()

with open("output.txt", "w") as file:
    for line in lines:
        if "删除" not in line:
            file.write(line)

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public class RemoveLines {
    public static void main(String[] args) {
        try {
            BufferedReader reader = new BufferedReader(new FileReader("input.txt"));
            FileWriter writer = new FileWriter("output.txt");
            String line;
            while ((line = reader.readLine()) != null) {
                if (!line.contains("删除")) {
                    writer.write(line + System.lineSeparator());
                }
            }
            reader.close();
            writer.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

const fs = require("fs");

fs.readFile("input.txt", "utf8", (err, data) => {
    if (err) {
        console.error(err);
        return;
    }
    const lines = data.split("\n");
    const output = lines.filter((line) => !line.includes("删除")).join("\n");
    fs.writeFile("output.txt", output, (err) => {
        if (err) {
            console.error(err);
        }
    });
});