Mega Code Archive
Ifstream
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/* The following code example is taken from the book
* "The C++ Standard Library - A Tutorial and Reference"
* by Nicolai M. Josuttis, Addison-Wesley, 1999
*
* (C) Copyright Nicolai M. Josuttis 1999.
* Permission to copy, use, modify, sell and distribute this software
* is granted provided this copyright notice appears in all copies.
* This software is provided "as is" without express or implied
* warranty, and with no claim as to its suitability for any purpose.
*/
// header files for file I/O
#include <iostream>
#include <fstream>
void printFileTwice (const char* filename)
{
// open file
std::ifstream file(filename);
// print contents the first time
std::cout << file.rdbuf();
// seek to the beginning
file.seekg(0);
// print contents the second time
std::cout << file.rdbuf();
}
int main (int argc, char* argv[])
{
// print all files passed as a command-line argument twice
for (int i=1; i<argc; ++i) {
printFileTwice(argv[i]);
}
}
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