// emprecs.cpp
 
#include <iostream>
#include <fstream>
using namespace std;
 
const int SIZE = 12;
struct employee {
	char fname[SIZE];
	char lname[SIZE];
	float wage;
	float hours;
	void print() ;
};
 // readTxt() reads the records in input.txt, stores them in ary,
 //  and returns the number of records read
int readTxt(employee ary[]);
 // writeBin() writes the array of employee records to output.bin
void writeBin(employee ary[], int n);
 
void readFile(employee ray[]);
 
int main()
{
	employee payroll[SIZE];
 
	int count = readTxt(payroll);  // count = number of records in file
	if ( count > 0 ) {
		writeBin(payroll, count);
	} // endif
 
	readFile(payroll) ;
	cout << endl;
	cout.write(reinterpret_cast<char *>(payroll), sizeof(employee) * count);
 
	cout << "\n\n-- Program Complete --\n\n" ;
 
	return 0;
}
 
int readTxt(employee ary[])
{
	char temp[SIZE];
	int k = 0;
	ifstream inFil( "input.txt" );
 
	if ( inFil.is_open() ) {
		while ( !inFil.eof() ) {
			inFil.getline(ary[k].fname, SIZE, ',');
			inFil.getline(ary[k].lname, SIZE, ',');
			inFil.getline(temp, SIZE, ',');
			ary[k].wage = static_cast<float>(atof(temp));
			inFil.getline(temp, SIZE);
			ary[k].hours = static_cast<float>(atof(temp));
			k++;
		} // endwhile
		for ( int j = 0; j < k-1; j++ )
			cout << ary[j].fname << ',' << ary[j].lname << ',' 
			     << ary[j].wage << ',' << ary[j].hours << endl;
		inFil.close();
	}
	else {
		cout << "\n\nUnable to open input file. Please verify filename and permissions.\n\n";
	} // endif
	return k;
}
 
void writeBin(employee ary[], int n)
{
	ofstream binOut("output.bin", ios::binary);
 
	if ( binOut.is_open() ) {
		binOut.write(reinterpret_cast<char *>(&n), sizeof(int));
		binOut.write(reinterpret_cast<char *>(ary), sizeof(employee) * n);
		binOut.close();
	}
	else {
		cout << "\nCannot open output file - verify filename and permissions\n";
	} // endif
}
 
void readFile(employee ray[])
{
    ifstream fin("output.bin", ios::in | ios::binary);
    if ( fin.is_open() ) {
        fin.read( reinterpret_cast <char *>(ray), sizeof(employee) * SIZE);
        cout << "Number of bytes read is: " << fin.gcount();
        fin.close();
    }
    else
        cout << "File not opened" << endl;
} // endif
 
/*
Example Output:
Martha, Stewart,2.4,40
Jim, Jailson,3.4,30
George, Jefferson,5.9,45
Number of bytes read is: 132
♦   Martha cÉδ%  Stewart FB ÜÖ↓@   BJim ☻   ¶δ%  Jailson íRcÜÖY@  ≡AGeorge  `C☼
 Jefferson  ═╠╝@  4B δ% ☻╡ScY┼☼         `C☼
 
-- Program Complete --
 
Press any key to continue . . .
*/
 
/*
 */

cout.write(reinterpret_cast<char *>(payroll), sizeof(employee) * count);