นี่คือโปรแกรม C++ สำหรับต่อท้ายข้อความในไฟล์ข้อความ
อัลกอริทึม
Begin Open that file a1.txt as output file stream class object to perform output operation in append mode using fout file reference. If the file exists then Appending text to that file. Close fout. Open the file “a1.txt” for reading the content of the file. Extracting the text from file and printing the text. End.
โค้ดตัวอย่าง
#include<iostream> #include<string> #include<fstream> using namespace std; int main() { fstream f; ofstream fout; ifstream fin; fin.open("a1.txt"); fout.open ("a1.txt",ios::app); if(fin.is_open()) fout<<" tutorials point"; cout<<"\n Data has been appended to file"<<endl; fin.close(); fout.close(); string word; f.open("a1.txt"); while (f >> word) { cout << word << " "; } return 0; }
ผลลัพธ์
Data has been appended to file