/* Filename:  maketext.cpp

   Author:  Br. David Carlson

   Date:  February 1, 1998

   Last Revised:  February 21, 2013

   This program prompts the user for the name of a file to create.  Then
   it asks the user to enter lines of text, which are written to that
   file.  CTRL z is used to stop data entry.  (Substitute CTRL d in Linux.)

   Tested with:
      Microsoft Visual C++ 2008
      g++ under Linux
*/

#include <iostream>
#include <fstream>   // needed for files
using namespace std;

const int MaxString = 120;
typedef char StringType[MaxString];

void WriteToFile(fstream & OutFile);


int main(void)
   {
   StringType FileName;
   fstream OutFile;

   cout << "Enter the name of the text file to be created: ";
   cin.getline(FileName, MaxString);

   OutFile.open(FileName, ios::out);
   if (OutFile.fail())
      {
      cerr << "Could not create file " << FileName << endl;
      exit(1);
      }

   WriteToFile(OutFile);
   OutFile.close();   // very important to close an output file
   return 0;
   }


/* Given:  OutFile   A file stream already opened for output.
   Task:   To get lines of text from the user and write them to OutFile.
   Return: OutFile   The modified file stream.
*/
void WriteToFile(fstream & OutFile)
   {
   StringType Line;

   // change to CTRL d for Linux:
   cout << "Enter a line of text (or press CTRL z to quit):" << endl;
   cin.getline(Line, MaxString);

   while (! cin.fail())
      {
      OutFile << Line << endl;
      // change to CTRL d for Linux:
      cout << "Enter a line of text (or press CTRL z to quit):" << endl;
      cin.getline(Line, MaxString);
      }
   }