Copy Command

#include <string>using std::string;//...string sourcedir = "/usr/local/";string objname = "stuff.txt";string destination = "/usr/backup/";//...string command = string("cp ") + sourcedir + objname + " " + destination + objname;system( command.c_str( ) );

#include <algorithm>#include <fstream>#include <iostream>#include <iterator>int main(int argc, char * argv[]){  // arg 1: path to source file  // arg 2: path to dest file  //*** assume data validation  using namespace std;  ifstream fin(argv[1]);  ofstream fout(argv[2]);  istream_iterator<char> isi(fin), eos;  ostream_iterator<char> osi(fout);  copy(isi, eos, osi);  fout.close();  fin.close();  return 0;}