Question

I have a space delimited text file, from which I need to extract individual words to populate a vector<string>.

I’ve tried playing around with strtok, but I understand this is not working because strtok returns a char pointer. Any way to extract the words from the file, and fill the string vector with them? Thanks!

Answer 1

There are “fancier” ways, but in my opinion the following’s most understandable (and useful as a basis for variations) for beginners:

if (std::ifstream input(filename))
{
    std::vector<std::string> words;
    std::string word;
    while (input >> word)
        words.push_back(word);
}