add: 14_file_handling 05

Author: webwithaman

.vscode/settings.json

@@ -0,0 +1,5 @@
+{
+  "files.associations": {
+    "fstream": "cpp"
+  }
+}

14_file_handling/00_questions.txt

@@ -12,7 +12,7 @@
 
 04. Write a program to copy the content of one text file to another while changing the case of every alphabet.
 
-05. Write a C++ program to merge the two files.
+05. Write a C++ program to merge the content of two files and generate a new file
 
 06. Write a C++ program that counts the total number of characters, words and lines in the file.
 

14_file_handling/05_merge_two_files/05_merge_two_files.cpp

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+// // Write a C++ program to merge the content of two files and generate a new file
+
+// // Header files
+#include <iostream>
+#include <fstream>
+
+// // use namespace
+using namespace std;
+
+int main()
+{
+    // // specify files names
+    const char *file1 = "file1.txt";
+    const char *file2 = "file2.txt";
+    const char *mergedFile = "merged_file.txt";
+
+    // // create an instances of fstream for both reading and writing in a file
+    fstream fcout, fcin;
+
+    // // open file1 for reading
+    fcin.open(file1, ios::in);
+
+    // // check if the file is successfully opened
+    if (!fcin.is_open())
+    {
+        cout << "\nError: Unable to Open File1...\n";
+        return 1;
+    }
+
+    // // open file for writing
+    fcout.open(mergedFile, ios::out);
+
+    // // check if the file is successfully opened
+    if (!fcout.is_open())
+    {
+        cout << "\nError: Unable to Open or Create New Merged File...\n";
+        return 1;
+    }
+
+    // // read characters from file1 one by one and write in merged file
+    char ch; // to store character
+
+    do
+    {
+        // // read one character from file
+        ch = fcin.get();
+
+        // // if not reached to the end of file
+        if (!fcin.eof())
+            fcout << ch;
+
+    } while (!fcin.eof());
+
+    // // close file1
+    fcin.close();
+
+    // // open file2 for reading
+    fcin.open(file2, ios::in);
+
+    // // check if the file is successfully opened
+    if (!fcin.is_open())
+    {
+        cout << "\nError: Unable to Open File1...\n";
+        return 1;
+    }
+
+    // // add space in merged file
+    fcout << " ";
+
+    // // read characters from file2 one by one and write in merged file
+    do
+    {
+        // // read one character from file
+        ch = fcin.get();
+
+        // // if not reached to the end of file
+        if (!fcin.eof())
+            fcout << ch;
+
+    } while (!fcin.eof());
+
+    // // close files
+    fcout.close();
+    fcin.close();
+
+    // // files merged successfully
+    cout << "\nContent of the Files Merged Successfully..." << endl;
+
+    cout << endl; // Add new line
+    return 0;
+}

14_file_handling/05_merge_two_files/file1.txt

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+Programming is My

14_file_handling/05_merge_two_files/file2.txt

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+LOVE

14_file_handling/05_merge_two_files/merged_file.txt

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+Code is My LOVE