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.

```
/*
```

 * C++ Program to Count lines in a file

```
 */
```
```
 
```
```
#include<iostream>
```
```
#include<fstream>
```
```
using namespace std;
```
```
 
```
```
int main()
```
```
{
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    int count = 0;
```
```
    string line;
```
```
 
```
```
    /* Creating input filestream */ 
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```
    ifstream file("main.cpp");
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    while (getline(file, line))
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        count++;
```
```
 
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    cout << "Numbers of lines in the file : " << count << endl;

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    return 0;
```
```
}
```

$ g++ main.cpp
$ ./a.out
Numbers of lines in the file : 21

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