Save string double pair to file : Text file write « File Stream « C++ Tutorial

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C++ Tutorial » File Stream » Text file write 
12.2.2.Save string double pair to file
#include <iostream>
#include <fstream>
using namespace std;

int main()
{
  ofstream out("test.txt"); // output, normal file

  if(!out) {
    cout << "Cannot open test.txt file.\n";
    return 1;
  }

  out << "R " << 9.9 << endl;
  out << "T " << 9.9 << endl;
  out << "M " << 4.8 << endl;

  out.close();
  return 0;
}
12.2.Text file write
12.2.1.Write to file
12.2.2.Save string double pair to file
12.2.3.Use put() to write to a file
12.2.4.Output a text file character by character
12.2.5.Write formatted output to a text file.
12.2.6.Use ofstream to write text to a file
12.2.7.Output string and decimal in hexadecimal format to a file with ostrstream
12.2.8.Output to file line by line
12.2.9.writing on a text file
12.2.10.file output with strings
12.2.11.file output with characters
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