uni-m.cds-adv-prog/ex5.3/main.cpp

#include <fstream>
#include <iostream>
#include <cstring>
#include <sstream>

int main( int argc, char* argv[] ) {


	if ( argc != 2) {
		std::cout << "usage: " << argv[0] << " FILENAME" << std::endl;
		return 1;
	}

	std::ifstream fh(argv[1]);

	if ( !fh ) {
		std::cout << "Error opening File '" << argv[1] << "'" << std::endl;
		return 2;
	}

	unsigned int linecount = 0;
	unsigned int charcount = 0;
	unsigned int wordcount = 0;
	const int bufsize = 100;
	char buf[bufsize];

	// if EOF, fh returns false
	while( fh ) {
		fh.getline(buf, bufsize);

		charcount += strlen(buf)+1; // Newlines are not counted normally, but they are a character
		linecount++;

		std::istringstream line(buf);
		while( line ) {
			std::string linebuf;

			line >> linebuf;

			if ( ! linebuf.empty() ) {
				wordcount++ ;
			}


			if ( line.eof() )
			{
				break ;
			}
		}


	}

	std::cout << " " << linecount-1 << " " << wordcount << " " << charcount-1 << " " << argv[1] << std::endl;
}