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Old Version 17

changes.mady.by.user Mikhail Dubrovin

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New Version 18

changes.mady.by.user Mikhail Dubrovin

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Code Block
std::string s("121 151 225 456");
std::stringstream ss(s);
T val;
do { ss >> val; cout << val << endl; } while( ss.good() );

 

Input from file value by value

Code Block
#include <fstream>  // for ifstream

  std::ifstream f("file.txt");
  if(not f.good()) ...

  std::string val;
  while (f>>val) {
      std::cout << "val: " << val << '\n';
  }

  f.close();

Input from file line by line

 

Code Block
#include <fstream>  // for ifstream

  std::ifstream f("file.txt");
  std::string line;
  while (std::getline(f, line)) {
      std::cout << "line: " << line << '\n';
  }

  f.close();

 

 

 

Print long space or repeated character

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