In this article, you will learn and get code to merge the content of any two files into a third file using a C++ program. The names of all three files must be entered by the user at runtime.

Jan 8, 2025 · The simplest method to merge two files into a third file is by first reading the data from one file character by character using fgetc() and printing it to the third file using fputc(). Then reading the second file using the same method and print to the end of the third file.

Apr 14, 2025 · C++ File Handling: Exercises, Practices, Solution - Explore various file handling operations in C++ including creating, opening, counting lines/words, copying, sorting, merging, splitting, searching, encrypting, decrypting, and processing CSV files.

Apr 18, 2014 · Write a program that reads two input files whose lines are ordered by a key data field. Your program should merge these two files, writing an output file that contains all lines from both files ordered by the key field.

Mar 24, 2022 · In this tutorial, we will be learning how to merge two files into the third file using file handling. Before moving to the implementation part, let's first understand the working of the algorithm:

Apr 14, 2025 · Learn how to merge multiple text files into a single file using C++. Consolidate and combine the contents of multiple files with this practical file handling program.

char ch, file_name1[20], file_name2[20], file_name3[30]; cout<<"\n Enter First File Name with Extension '.txt' : "; gets(file_name1); cout<<"\n Enter Second File Name with Extension '.txt' : "; gets(file_name2); cout<<"\n Enter Third File Name with Extension '.txt' ";

Mar 13, 2016 · Explanation:- So in this problem, we have to Merge the two file into an another new file. The program first will ask you to enter the first file name after that ask for entering the second file name than program merge the first file and the second file.

Jul 9, 2011 · Assuming you don't want to do any processing, and just want to concatenate two files to make a third, you can do this very simply by streaming the files' buffers: std::ifstream if_a("a.txt", std::ios_base::binary); std::ifstream if_b("b.txt", std::ios_base::binary); std::ofstream of_c("c.txt", std::ios_base::binary); of_c << if_a.rdbuf() << if ...

Jan 5, 2017 · Write a C++ Program to Merge Two Files into a Single file using File Handling. Here’s simple Program to Merge Two Files into a Single file using File Handling in C++ Programming Language.