C++ Program to Count the Number of Lines in Text File
Posted by Superadmin on August 10 2022 12:52:34

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.

```
/*
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 * C++ Program to Count lines in a file

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 */
```
```
 
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#include<iostream>
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#include<fstream>
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using namespace std;
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```
 
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int main()
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{
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    int count = 0;
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    string line;
```
```
 
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    /* 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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```
 
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    cout << "Numbers of lines in the file : " << count << endl;

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    return 0;
```
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}
```

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