outputFile.open("outputFile.txt",std::ios::out |std::ios::app);std::cout<<"Restart -> appending already existing outfile"<<std::endl; }else{// Opening output fileoutputFile.open("outputFile.txt");// Opening saving file/*if((ptr_fp = fopen("cppTestOutput.bin", "ab")) == NULL...
// C++ program to implementclose() function#include<fstream>#include<iostream>usingnamespacestd;// Driver Codeintmain(){chardata[100];// Open a file in write// mode.ofstream outfile; outfile.open("gfg.dat");cout<<"Writing to the file"<<endl;cout<<"Enter your name:";// This function...
...::ofstream outFile("example.txt"); // 创建一个文件输出流对象 if (outFile.is_open()) { // 检查文件是否成功打开 outFile...if (inFile.is_open()) { //检查文件是否成功打开 std::string line; while (std::getline(inFile, 生成ssh key1 检查是否已经存在ssh key2 生成key3 git clone...
#include<iostream> #include <fstream> #include<vector> int main() { std::vector<int> vec = {1, 2, 3, 4, 5}; std::ofstream outfile("output.txt"); for (int i = 0; i < vec.size(); i++) { outfile<< vec[i]<< std::endl; } outfile.close(); return 0; } 这将把std:...
ofstream outfile(file1, ios::app); outfile << "aaa bbb abc abc \n cccabc aaa"; outfile.close(); } void printfile(const char* file2) { string s; ifstream infile(file2, ios::in); while (getline(infile, s)) cout << s << endl; ...
除了freopen()的afr0ck答案之外，我想说的是，当使用freopen()时，我们应该小心。一旦像stdout或stdin...
ofstream outfile, visit_file;// visualize the game with visit -o game_of_life_test.visitif(rank ==0) { visit_file.open("tests/user_neighborhood/general_neighborhood.visit"); visit_file <<"!NBLOCKS "<< comm_size <<endl; }#defineTIME_STEPS 36for(intstep =0; step < TIME_STEPS; ste...
一种方法是,在对象的数据写入文件时,在数据前面加上一个指示对象类型的整数。...:getline(std::cin, fname); std::cout << "Enter lastname: "; std::getline(std::cin, lname);...std::cout << "Enter job: "; std::getline(std::cin, job); } std::ofstream & abstr_emp::WriteAll(...
这个示例代码用作图书馆管理系统的一部分,方便图书的存储、检索和排序。...::ofstream outFile("example.txt"); // 创建一个文件输出流对象 if (outFile.is_open()) { // 检查文件是否成功打开 outFile...if (inFile.is_open()) { //检查文件是否成功打开 std::string line; while (std::getli...