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Articles Home » C++ » C++ Program to Count the Number of Lines in Text File

C++ Program to Count the Number of Lines in Text File

C++ Program to Count the Number of Lines in Text File

 

 

This C++ Program which counts the number of lines in a file. The program creates an input file stream, reads a line on every iteration of a while loop, increments the count variable and the count variable is printed on the screen.

 

Here is source code of the C++ program which counts the number of lines in a file. The C++ program is successfully compiled and run on a Linux system. The program output is also shown below.

  1. /*
  2.  * C++ Program to Count lines in a file
  3.  */
  4.  
  5. #include<iostream>
  6. #include<fstream>
  7. using namespace std;
  8.  
  9. int main()
  10. {
  11.     int count = 0;
  12.     string line;
  13.  
  14.     /* Creating input filestream */ 
  15.     ifstream file("main.cpp");
  16.     while (getline(file, line))
  17.         count++;
  18.  
  19.     cout << "Numbers of lines in the file : " << count << endl;
  20.     return 0;
  21. }

 

$ g++ main.cpp
$ ./a.out
Numbers of lines in the file : 21
· Posted by Superadmin on August 10 2022 · 0 Comments · 70 Reads · Print

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