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C++ program to read file word by word
  • Difficulty Level : Medium
  • Last Updated : 08 May, 2019

Given a text file, extract words from it. In other words, read the content of file word by word.
Example :

Input: And in that dream, we were flying.
Output:
And
in
that
dream,
we
were
flying.

Approach :

1) Open the file which contains string. For example, file named “file.txt” contains a string “geeks for geeks”.
2) Create a filestream variable to store file content.
3) Extract and print words from the file stream into a string variable via while loop.




// C++ implementation to read
// file word by word
#include <bits/stdc++.h>
using namespace std;
  
// driver code
int main()
{
    // filestream variable file
    fstream file;
    string word, t, q, filename;
  
    // filename of the file
    filename = "file.txt";
  
    // opening file
    file.open(filename.c_str());
  
    // extracting words from the file
    while (file >> word)
    {
        // displaying content
        cout << word << endl;
    }
  
    return 0;
}


Output:

geeks
for
geeks.
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