fork(2) download
copy 
  1. #include <iostream>
  2. #include <sstream>
  3. #include <string>
  4. using namespace std;
  5.  
  6. void test(const string &data) {
  7. 	istringstream file(data);
  8. 	string line;
  9. 	int count = 0;
  10.  
  11. 	while (getline(file, line)) {
  12. 		++count;
  13. 		if (file.eof()) break;
  14. 	}
  15. 	if (file.eof() && file.fail()) {
  16. 		++count;
  17. 	}
  18.  
  19. 	cout << "lines: " << count << endl;
  20. }
  21.  
  22. int main() {
  23. 	test("line");
  24. 	test("line\n");
  25. 	test("line\nline");
  26. 	test("line\nline\n");
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 4796KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
lines: 1
lines: 2
lines: 2
lines: 3
https://ideone.com/4g3Vo9
language:
C++ (gcc 8.3)
created:
3 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!