Top "Ifstream" questions

ifstream provides an interface to read data from files as input streams.

Open file by its full path in C++

I want the user to give me the full path where the file exists and not just the file name. …

c++ file path ifstream
reading a line from ifstream into a string variable

In the following code : #include <iostream> #include <fstream> #include <string> using namespace std; int …

c++ string ifstream getline
How does ifstream's eof() work?

#include <iostream> #include <fstream> int main() { std::fstream inf( "ex.txt", std::ios::in ); while( !inf.…

c++ ifstream eof
Read text file into string. C++ ifstream

void docDB(){ int sdb = 0; ifstream dacb("kitudacbiet.txt"); if(!dacb.is_open()) cout<<"Deo doc dc file"<&…

c++ ifstream
How to count lines of a file in C++?

How can I count lines using the standard classes, fstream and ifstream?

c++ file-io io fstream ifstream
C++ ifstream error using string as opening file path.

I have: string filename: ifstream file(filename); The compilers complains about no match between ifstream file and a string. Do …

c++ ifstream
attempting to reference a deleted function

I'm trying to learn about the fstream class and I'm having some trouble. I created a couple of txt files, …

c++ string function fstream ifstream
ifstream, end of line and move to next line?

how do i detect and move to the next line using std::ifstream? void readData(ifstream& in) { string sz; …

c++ std ifstream
Fast textfile reading in c++

I am currently writing a program in c++ which includes reading lots of large text files. Each has ~400.000 lines with …

c++ performance io ifstream
Do I need to manually close an ifstream?

Do I need to manually call close() when I use a std::ifstream? For example, in the code: std::string …

c++ ifstream raii