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Questions - getline

Loop for load multiples files (C++)

I´m trying to load all the files in a folder that have names from the form "file_i.csv". For this I write the program: void load_reel_set() { bool file_exists = true; unsigned n_file...
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SophieGermain

c++

loops

file-handling

getline

Votes: 0

Answers: 1

Latest Answer

You have two independent instances ifstream file, the one inside the loop hiding the one outside. While the inner one runs out of scope after closing the loop the outer one remains at the end of the v...
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Aconcagua

Why is C++ getline() non-blocking when program is called from python subprocess?

I have a C++ program that waits for some text input with getline(), and it works well from the command line. However, I would like to call it from Python - send some text, get the output, and have it ...
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Rickj

python

c++

subprocess

getline

Votes: 0

Answers: 1

Latest Answer

I created a class and added the start of the subprocess to the __init__ method. The methods of the class are used to interact with the C++ program. At this point however I was still having the same is...
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Rickj

do/while loop with cin.getline parsing to string doesn't compare values to break it

So I have this type of "menu" in a do/while loop do { cout << "Press 0 to export IDs, exit to exit, or any key to continue to menu:\n"; cin.getline(choice...
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Nik

c++

do-while

getline

Votes: 0

Answers: 1

Latest Answer

You are using the same choice buffer to manage both loops. The outer loop's while check is not reached until the inner loop is finished first, and the inner loop only breaks when choice is "back&...
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Remy Lebeau

How to print string in C++ using getline

Why this doesn't print the first word of sentence? #include <iostream> #include <string> int main() { std::string sentence; std::cout<<"Enter sentence: "; std:...
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user18498266

c++

string

getline

Votes: 0

Answers: 2

Latest Answer

You dont need the first cin (std::cin>>sentence;), this will solve your problem #include <iostream> #include <string> int main() { std::string sentence; std::cout<<&qu...
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LoopFree

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