Tokenizing string

How would you cut this line in 4 parts?

"The quick brown fox jumps over the lazy dog"

Like this:

The
quick
brown
fox jumps over the lazy dog

Code:

---

#include <string>
#include <vector>
#include <iostream>
#include <istream>
#include <ostream>
#include <iterator>
#include <sstream>
#include <algorithm>
using namespace std;

int main()
{
    std::string str = "The quick brown fox jumps over the lazy dog";
    stringstream ss;
    string s;

    ss << str;

    for(int i=0; i<4; i++)
    {
      (getline(ss, s, ' '));
        cout << s << endl;
    }

}

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I cant seem to get the "fox jumps over the lazy dog" part.

Well since you're only looping four times what do you expect?

If you want to process the whole stringstream then perhaps a while() loop would be a better option.

Code:

---


#include <string>
#include <iostream>
#include <sstream>

using namespace std;

int main()
{
    std::string str;
    stringstream ss("The quick brown fox jumps over the lazy dog");

    while(ss >> str)
    {
        cout << str << endl;
    }

}

---

And note that you should only need three #include files for this program.

Probably like this:

Code:

---

#include <string>
#include <iostream>
#include <sstream>

int main()
{
  std::string str = "The quick brown fox jumps over the lazy dog";
  std::stringstream ss(str);
  std::string s;

  for (int i = 0; i < 3; i++)
  {
    if(!std::getline(ss, s, ' ')) // in case there are less words
      break;
    std::cout << s << "\n";
  }
  if(std::getline(ss, s))
    std::cout << s;
}

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Quote:

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Originally Posted by jimblumberg

Well since you're only looping four times what do you expect?

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Yes but as I stated and dont want to tokenize the whole sentence, I want to keep "fox jumps over the lazy dog" together.

Quote:

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Originally Posted by OldGuy2

Probably like this:

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Thank you, this is the solution. Happy new year, soon... :wink: