How do I grab an entire statement into a string?

Question

I've tried getline(std::cin, str) but it doesnt even let me input anything, just continues on. I could do cin >> str, but I want the entire line. And if you are going to suggest multiple cin with multiple variables, I dont know how many words are going to come in, so I can't just concatenate that way. Any ideas to get the entire line?

EDIT: solved. Problem was that I used a std::cin before hand. FIxed by using std::cin.ignore() before getline function

Answer 1

That's the right idea. If it's not letting you input anything, you're doing something wrong somewhere else. This works for me:

std::string line;
std::getline(std::cin, line);
std::cout << line;

Answer 2

getline doesn't open an inputbox for me on android.
As a workaround I just do this:
std::getline(std::cin, abcd);
if(false)std::cin >> abcd;

That fixes it for me.

Answer 3

I don't know your code so I'm just guessing.

Maybe you're using cin before getline.

cin leaves a newline character behind after pressing enter, so getline just reads that and keeps going.

You can use std::cin.ignore(); after cin to ignore that newline character

Answer 4

Neither of those answers helps. I want to take the whole line of information, and cin >> only takes till the next space... As for std::getline, its not letting input anything in the first place. I'm on desktop working on a project in VS, so it should be a compiler thing. If I formatted wrong it would tell me. Maybe it's a header thing? I'm currently only using <isostream>, should I be using something else too?

Answer 5

@Dennis Thank you so much! It was the new line that was generated. THe std::cin.ignore cleared up the problem. You're always here to help!