/*
Program: EPRINT.CPP
Author : Kim Moser
Date   : 08/20/1992
System : IBM PC / Borland C++ 3.0
Descrip: Filters text files, changing formfeed (CTRL-L) characters into
	 appropriate number of newlines.

Usage  : EPRINT <textfile
*/

#include <stdlib.h>
#include <iostream.h>

static void usage(void);
static void usage(void)
{
	cerr << "usage: eprint [lines_per_page] <textfile >prn:\n";
}

void main(int argc, char **argv)
{
	long linesperpage = 66;
	long line=0, page=0;
	char ch;

	if (argc > 1) {
		if ((linesperpage = atoi(argv[1])) <= 0) {
			usage();
		}
		cerr << '(' << linesperpage << " lines per page)\n";
	}

	// Turn off whitespace-skipping for input:
	cin.unsetf(ios::skipws);

	while (!((cin >> ch).eof())) {
		switch (ch) {
			case 12:  // Formfeed (CTRL-L)
				while (line++ < linesperpage) {
					cout << '\n';
				}
				page++;
				line = 0;
				break;
			case '\n':
				if (++line >= linesperpage) {
					line = 0;
					page++;
				}
				// Fall through
			default:
				cout << ch;
				break;
		}
	}

	cerr << '\n' << page << " page(s), " << line << " line(s)\n" <<
		'(' << ((page)*linesperpage + line) << " line(s) total)\n";
}