C++ examples for File Stream:File Operation
Displays size of file
#include <fstream> #include <iostream> using namespace std; #include <process.h> //for exit() int main(int argc, char* argv[] ) { if( argc != 2 ) { cerr << "\nFormat: filename\n"; exit(-1); } ifstream infile; //create file for input infile.open( argv[1] ); //open file if( !infile ) //check for errors { cerr << "\nCan't open " << argv[1]; exit(-1); } infile.seekg(0, ios::end); //go to end of file // report byte number cout << "Size of " << argv[1] << " is " << infile.tellg(); cout << endl;/*from w w w .j av a2s .c om*/ return 0; }