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- // Chapter 1 - Program 4
- #include "iostream.h"
- #include "fstream.h"
- #include "process.h"
-
- void main()
- {
- ifstream infile;
- ofstream outfile;
- ofstream printer;
- char filename[20];
-
- cout << "Enter the desired file to copy ----> ";
-
- cin >> filename;
-
- infile.open(filename, ios::nocreate);
- if (!infile) {
- cout << "Input file cannot be opened.\n";
- exit(1);
- }
-
- outfile.open("copy");
- if (!outfile) {
- cout << "Output file cannot be opened.\n";
- exit(1);
- }
-
- printer.open("PRN");
- if (!printer) {
- cout << "There is a problem with the printer.\n";
- exit(1);
- }
-
- cout << "All three files have been opened.\n";
-
- char one_char;
-
- printer << "This is the beginning of the printed copy.\n\n";
-
- while (infile.get(one_char)) {
- outfile.put(one_char);
- printer.put(one_char);
- }
-
- printer << "\n\nThis is the end of the printed copy.\n";
-
- infile.close();
- outfile.close();
- printer.close();
-
- }
-
-
-
- // Result of execution
- //
- // (The input file is copied to the file named "COPY")
- // (The input file is printed on the printer
-