I'm having slight trouble creating a 2D Vector of String that's created by reading values from a text file. I initially thought I needed to use an array. however I've come to realise that a vector would be much more suited to what I'm trying to achieve.
Here's my code so far:
I've initialised the vector globally, but haven't given it the number of rows or columns because I want that to be determined when we read the file:
vector<vector<string>> data;
Test data in the file called "test" currently looks like this:
test1 test2 test3
blue1 blue2 blue3
frog1 frog2 frog3
I then have a function that opens the file and attempts to copy over the strings from text.txt to the vector.
void createVector()
{
ifstream myReadFile;
myReadFile.open("text.txt");
while (!myReadFile.eof()) {
for (int i = 0; i < 5; i++){
vector<string> tmpVec;
string tmpString;
for (int j = 0; j < 3; j++){
myReadFile >> tmpString;
tmpVec.push_back(tmpString);
}
data.push_back(tmpVec);
}
}
}
However, when I attempt to check the size of my vector in my main function, it returns the value '0'.
int main()
{
cout << data.size();
}
I think I just need a pair of fresh eyes to tell me where I'm going wrong. I feel like the issues lies within the createVector function, although I'm not 100% sure.
Thank you!