Pulling individual words from manual input of unknown length

Question

Re-post as I didn't include enough info in the last one.

I tried my best google fu and can't seem to find the right answer (doesn't mean it's not a stupid mistake, as I'm still new)

int main()
{
    vector<string> clauses;
    string test;

    cout << "Please enter your choice or choices\n\ ";

    while (cin >> test) {
        clauses.push_back(test);
    }

    return 0;
}

I don't know how many options they will enter so I'm throwing them in a vector.

Currently when it runs it won't take any user input and just let the person keep typing even when hitting enter. c

Thanks in advance. Paul

That might have something to do with formatted extraction e.g. `operator>>` ignoring and skipping over the whitespaces. Use `std::getline`. — LogicStuff, Jan 18 '16 at 22:34
Possible duplicate of [C++ cin input with spaces?](http://stackoverflow.com/questions/5838711/c-cin-input-with-spaces) — LogicStuff, Jan 18 '16 at 22:34
You might boil this question down to: *"How to read a line?"* — LogicStuff, Jan 18 '16 at 22:37

score 1 · Accepted Answer · answered Jan 18 '16 at 22:45

The following code should work for what you want to do :

#include <vector>
#include <string>
#include <iostream>

int main()
{
    std::vector<std::string> clauses;
    std::string test;

    std::cout << "Please enter your choice or choices\n";

    do
    {
        getline(std::cin, test);
        if(!test.empty())
            clauses.push_back(test);

    }while (!test.empty());

    return 0;
}

The getline function will read any text on the keyboard and push it in your vector until the user only use the Enter key, which will end the loop.

Thanks so much Isuka. For anybody who finds this later through Google the code Isuka published works perfectly. — pdsnowden, Jan 18 '16 at 23:10

Pulling individual words from manual input of unknown length

1 Answers1