String stream in c++

// CPP program to count words in a string
// using stringstream.
#include <bits/stdc++.h>
using namespace std;
  
int countWords(string str)
{
    // breaking input into word using string stream
    stringstream s(str); // Used for breaking words
    string word; // to store individual words
  
    int count = 0;
    while (s >> word)
        count++;
    return count;
}
  
// Driver code
int main()
{
    string s = "geeks for geeks geeks "
               "contribution placements";
    cout << " Number of words are: " << countWords(s);
    return 0;
}

Source: geeksforgeeks.org

How to parse using stringstream

#include <iostream>
#include <sstream>

std::string input = "abc,def,ghi";
std::istringstream ss(input);
std::string token;

while(std::getline(ss, token, ',')) {
    std::cout << token << '\n';
}

-1

Source: stackoverflow.com

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